41.The driver looked over the engine carefully lest it ______ on the way.
a. goes wrongb. go wrongc. went wrong d. would go wrong
42.______ the fog, we should have reached our destination.
a. Because ofb. In spite of c. In case of d. But for
43.The old man went to office on foot, but he ______ by bus.
a. might have goneb. ought have gone c. could have gone d. should be gone
44.He is working hard for fear that he ______ to pass the exam.
a. fails b. may fail c. should fail d. would fail
45.She put on her glasses in order that she _____.
a. can see b. saw c. had seen d. might see
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