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
- 1What ____ to him yesterday?
A.had happened
B.happen
C.happened
D.was happened
开始考试点击查看答案 - 2Prince killed the cute cat. I'll ask him why _____.
A.he did that
B.did he do that
C.he does that
D.he had done so
开始考试点击查看答案 - 3Since the band announced the release of their new album, the phone hasn't stopped ringing. Many fans ________ to ask about the exact time.
A.were calling
B.had called
C.are calling
D.call
开始考试点击查看答案 - 4I'll go to the library as soon as I finish what I ________.
A.was doing
B.am doing
C.have done
D.had been doing
开始考试点击查看答案 - 5You look frozen. Sit down by the fire and I _____ you some hot te
A.A.make
B.was making
C.made
D.will make
开始考试点击查看答案 - 6— Which country _____ the next Olympic Games? — Brazil.
A.is held
B.is going to hold
C.is to host
D.is hosted
开始考试点击查看答案 - 7—Believe it or not! I should get my lost wallet back after I left it in the taxi this morning. —Couldn't agree more! You know, someone _______ it. There are still good persons in Chongqing.
A.can have taken
B.might have taken
C.should have taken
D.must have taken
开始考试点击查看答案 - 8He _____ the key, so we _____ into the office.
A.hadn't left; can't
B.didn't leave; couldn't have got
C.hadn't left; couldn't get
D.hasn't left; couldn't get
开始考试点击查看答案 - 9I _____ I ______ the cell phone, but it is on the back seat of my car.
A.thought, had lost
B.think, had lost
C.thought, have lost
D.think, lost
开始考试点击查看答案 - 10Hidden _____ by a big tree, his house was not to be seen.
A.as it was
B.as it is
C.as it did
D.as he did
开始考试点击查看答案