The exercises are extremely difficult, but half of the class_____ them ahead of

题型：同步题难度：来源：

The exercises are extremely difficult, but half of the class_____ them ahead of time.    [     ]
A. has already finished
B. will finish
C. have already finished
D. finishes

答案

举一反三

— Has your son come back from abroad for the winter vacation?
— Yes. But he stayed at home for only a week. Now he back to college.[ ]
A. went
B. has gone
C. was going
D. will go

题型：江西省模拟题难度：| 查看答案

It is hard to imagine what progress they _____ in the past few months.  [      ]
A. made
B. have made
C. had made
D. make

题型：四川省期中题难度：| 查看答案

— Would you care for a cup of coffee?
— I ________ one. Thank you just the same.  [      ]
A. had
B. have had
C. would have
D. will have

题型：河北省模拟题难度：| 查看答案

In the past two years, the number of campus bookstores offering rentals _____ from a few dozen to
1,500.[ ]
A. jumped
B. had jumped
C. is jumping
D. has jumped

题型：上海模拟题难度：| 查看答案

Space exploration began in the 1960s, and since then about five hundred people _______ into space. [     ]
A. are traveling
B. traveled
C. had traveled
D. have traveled

题型：上海模拟题难度：| 查看答案