I won't tell the student the answer to the math problem until he____on it for more than an hour. [ ]
A.has been working
B.will have worked
C.will have been working
D.had worked
试卷相关题目
- 1We _____ on our project day and night in the past two weeks.[ ]
A.had worked
B.have been working
C.will be working
D.are working
开始考试点击查看答案 - 2In the past decades, sea ice ____ in the Arctic as a result of global warming.
A.had melted
B.has been melting
C.melted
D.is melting
开始考试点击查看答案 - 3— Sir, I'm here. — Please listen. I _____ asking your parents to come to our school, but I'd like to hear your opinion first.
A.have considered
B.am going to consider
C.considered
D.have been considering
开始考试点击查看答案 - 4They ____ on this project for l 4 hours, but it’s so difficult to persuade them to have a rest.
A.had worked
B.have been working
C.worked
D.are working
开始考试点击查看答案 - 5—Hi, which university do you prefer?—Well, I've been considering _____ to Harvard University.
A.to go
B.going
C.gone
D.being going
开始考试点击查看答案 - 6-You don't have to play that record so loud,do you?-I'm sorry. __ you?
A.Has it been bothering
B.Did it bother
C.Will it bother
D.Had it bothered
开始考试点击查看答案 - 7________ in a space suit in the base, the young man looks more like an astronaut I've been ________.
A.Dressed; admiring
B.Dressed; admired
C.Wearing; admiring
D.Worn; admired
开始考试点击查看答案 - 8—Waiter, what about my food?I________for over 30 minutes.—Oh, sorry, sir.Just one more minute, please.
A.have waited
B.was waiting
C.have been waiting
D.had waited
开始考试点击查看答案 - 9An average of 130,000 Chinese aboard for studies every year over the past few years, improvingexchanges in the educational fields.
A.was going
B.have been going
C.has been going
D.are going
开始考试点击查看答案 - 10— I wonder if you could go with me to the supermarket. — Don't disturb me. I _______ my experiment report all the morning and haven't finished yet.
A.write
B.was writing
C.have written
D.have been writing
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