从句引导词练习
Beneath each of the following sentences, there are four choices marked A, B, C and D. Choose the one that best completes the sentence.
1 With Miss Sullivan’s patience and tenderness, little Helen ____ people all thought would not have lived for long overcame her deafness and blindness and became a good writer.
A which B whom C who D as
2 All those left undone may sound great in theory, but even the truest believer has great difficulty ____ it comes to specifics.
A before B as C since D when
3 We were heartedly arguing about the financial matter, ____ the telephone rang unexpectedly.
A while B as C when D as soon as
4 We must keep in touch. Please give me your telephone number ____ I need your help.
A now that B unless C so that D in case
5 ____ we have all the materials ready, we should begin the new task at once.
A Granted that B If only C By now D Now that
6 We hope that the measures to control prices, ____ taken by the government, will eventually succeed.
A when B as C since D after
7 ____ they will not come to join us in the work, we have to change our plan to adapt ourselves to the new situation.
A For B Seeing that C When D As soon as
8 Sometimes we are asked ____ we think the likely result of an action will be.
A that B whether C what D which
9 He has made another wonderful discovery, ____ of great importance to science.
A which I think is B which I think it is C of which I think it is D I think which is 10 I will do my best to get it for you ____ I could remember who last borrowed it.
A except that B if only C on condition that D considering whether
11 According to the weather report, it will be cold this evening. Make sure ____ the heater in the cottage.
A that you light B if you light C that you’ll light D whether you light
12 ____ he is not brilliant, John is at least competent and hard-working.
A As though B Now that C If only D Granted that
13 ____ is well-known to all, too much stress can contribute to the decline of one’s health and, therefore, cause disease.
A What B It C That D As
14 It was obvious that this research project had more significance for them than ____.
A does ours B it had for ours C it does D it did for us
15 No sooner had the robber entered the bank ____ he was caught on the spot.
A then B than C as D when
16 ____ unselfishness is the real test of strong affection, so unselfishness ought to be the real test of the very highest kind of art.
A AS B Since C Because D If
17 “Do you think ____ I should attend the lecture?” she asked me.
A whether B if C when D that
18 Rodger would have been killed in the terrible car accident ____ he jumped back quickly in time to avoid being hit.
A for all that B but that C if only D now that
19 The reason I plan to go is ____ she will be disappointed if I don’t.
A that B because C as D in that
20 Mr. Smith will take me back to France on holiday ____ I am well enough to travel.
A promptly B presently C quickly D directly
21 Better than any other, the design engineer should know ____ he wants his design to accomplish.
A what B how C when D that
22 See to it that you include in the examination paper ____ questions they didn’t know the answer to last time.
A however B whenever C whatever D wherever
23 One sign ____ you are making progress in an art such as painting or photography is that you begin to realize how much there is to learn.
A by which B in which C when D that
24 Customs tend to remain unchanged ____ they become firmly established in a group of inhabitants.
A once B before C unless D until
25 The people at the party were worried about Janet because no one was aware ____ she had gone.
A about where B of where C of the place where D about the place where 26 The problem is that, ____ children who are given cow’s milk from birth benefit greatly from it, those who have never drunk it by a certain age are not able to tolerate it.
A because B provided C whereas D unless
27 Too much salt is known to contribute to hypertension, ____ is a factor in half the deaths in the U.S. each years.
A as B that C this D which
28 The average adult in our city consumes a lot of sugar a day, more than six times ____ the body needs.
A as many B as much C as what D as that
29 During my stay in Melbourne there happened to be a storm ____ I had never experienced before.
A such as B as which C with which D as such
30 Most people think I smoke. As a matter of fact, I don’t like smoking ____ you do.
A much more than B no more than C no less than D any more than 31 I walked around for two hours yesterday, and the doctor said I was ____ for it.
A still the worse B yet the worse C none the worse D much the worse 32 There are also people who object to fiction stories ____ they are not objectively true.
A on the grounds that B in spite of the fact that C with the result that D providing that 33 This is the best book I have ever read on the subject, ____ there may be mistakes occasionally.
A in that B for all that C now that D for fear that
34 It was so inconceivable that he should have stolen the money ____ the suggestion was made that he might have been threatened.
A which B what C that D but
35 You seem to take a keener interest in the subject ____ has never been shown before.
A as B that C which D than
Keys: 1-5 CDCDD 6-10 BBCAB 11-15 ADDDB 16-20 ADBAD 21-25 ACDAB 26-30 CDBAD 31-35 CABCD