While __________ the tunnel, the workers discovered an underground lake.
A.build
B.built
C.building
D.to build
试卷相关题目
- 1In the recent coal mine accident, only 24 miners were rescued, and 29 were left ________ underground.
A.to be trapped
B.trapped
C.being trapped
D.trapping
开始考试点击查看答案 - 2He forgot ________ the door, so he went back .
A.locking
B.to lock
C.having locked
D.to have locked
开始考试点击查看答案 - 3What was the way he thought of ______ this problem solved?
A.get
B.being got
C.to get
D.having been got
开始考试点击查看答案 - 4My brother seems to prefer ________ music to ________ with others on the Internet.
A.listening to; chatting
B.to listen to; chat
C.listening to; chat
D.to listen to; chatting
开始考试点击查看答案 - 5They seemed ________ each other before.
A.to know
B.having known
C.to have known
D.knowing
开始考试点击查看答案 - 6Every minute, when made full use of _________, does good to us students.
A.studying
B.to study
C.study
D.being studied
开始考试点击查看答案 - 7Technology is developing so rapidly that ________ for only a year, my cell phone is out of date.
A.using
B.having been used
C.having used
D.is using
开始考试点击查看答案 - 8I held the little bird in my hand and felt its heart ______.
A.bumping
B.striking
C.beating
D.knocking
开始考试点击查看答案 - 9________ for five years, the radio needs ________ .
A.Being used; repaired
B.Having used; to be repaired
C.Using ; to repair
D.Having been used; repairing
开始考试点击查看答案 - 10________ to a university in the UK, international students must display a strong ability in spoken and written English.
A.Having been admitted
B.To be admitted
C.Being admitted
D.Admitted
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