The computer was invented in the 1940's and ______ quite a lot ever since.
A.was changed
B.had changed
C.has been changed
D.will change
试卷相关题目
- 1---- What's happening in the new area? ---- New houses________ recently over there.
A.are built
B.built
C.have been built
D.have built
开始考试点击查看答案 - 2It is reported that large amounts of money _______ spent on the cross-sea bridge so far.
A.was
B.has been
C.were
D.have been
开始考试点击查看答案 - 3If city noises _______ from increasing, people _______ shout to be heard even at diner.
A.do not keep; will have to
B.are not kept; have
C.are not kept; will have to
D.do not keep; have to
开始考试点击查看答案 - 4---I called you last night, but nobody answered. ---Oh, I usually_______off my cellphone by 9:00 p.m.
A.switched
B.have switched
C.switch
D.had switched
开始考试点击查看答案 - 5It is the first time I ______ this kind of music.
A.heard
B.am hearing
C.have heard
D.had heard
开始考试点击查看答案 - 6The damaged building _________, so the people will have to look for other places to shelter themselves from the cold.
A.is being repaired
B.is repaired
C.has been repaired
D.was repaired
开始考试点击查看答案 - 7Mr. Black _______Shanghai in a few days. Do you know when the earliest plane _______ on Sunday.
A.leaves; takes off
B.is leaving; takes off
C.is leaving; is taking off
D.leaves; is taking off
开始考试点击查看答案 - 8I felt very tired when I got home, and I ______ straight to bed.
A.go
B.went
C.had gone
D.have gone
开始考试点击查看答案 - 9The famous musician, as well as his students, ______ to perform at the opening ceremony of the 2012 Taipei Flower Expo.
A.were invited
B.was invited
C.have been invited
D.has been invited
开始考试点击查看答案 - 10“What do you want to be?” asked Mrs. Crawford. “Oh, I ________ president,” said the boy, with a smile.
A.have been
B.am
C.was
D.will be
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