Sales of CDs have greatly increased since the early 1990s, when people _______ to enjoy the advantages of this new technology.
A.begin
B.began
C.have begun
D.had begun
试卷相关题目
- 1It was not until then that I came to know that knowledge _______ only from practice.
A.had come
B.has come
C.came
D.comes
开始考试点击查看答案 - 2They _______ on the program for almost one week before I joined them,and now we _______ it as no good results have come out so far.
A.had been working; are still working
B.had worked; were still working
C.have been working; have worked
D.have worked; are still working
开始考试点击查看答案 - 3—Did you watch the basketball match yesterday? —Yes, I did. You know, my brother _________ in the match.
A.is playing
B.was playing
C.has played
D.had played
开始考试点击查看答案 - 4We first met on a train in 2000. We both felt immediately that we _________ each other for years.
A.knew
B.have known
C.had known
D.know
开始考试点击查看答案 - 5I _______ to help you but I was not able to spare any time.I _______ a paper last night and I'll have to finish it today.
A.wanted; have been writing
B.have wanted;wrote
C.had wanted; wrote
D.had wanted;was writing
开始考试点击查看答案 - 6don't think Japan is a pleasant place for us Chinese students,for I _________in that country for ten years.
A.stayed
B.have been staying
C.was staying
D.have stayed
开始考试点击查看答案 - 7The number of deaths from heart disease will be reduced greatly if people ____ to ear more fruit and vitamins.
A.persuade
B.will persuade
C.be persuade
D.are persuaded
开始考试点击查看答案 - 8—Will you go to the party? —Of course I will if _______.
A.having invited
B.invited
C.I was invited
D.I will be invited
开始考试点击查看答案 - 9—Have you got any job offers? —No. I _________.
A.waited
B.had been waiting
C.have waited
D.am waiting
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