Before ________, the machine must be checked.
A.using
B.being used
C.to be used
D.to being used
试卷相关题目
- 1A similar wrong idea is that fish and ice cream when ________ at the same time form a poisonous combination(有毒物质).
A.eating
B.being eaten
C.eaten
D.to be eaten
开始考试点击查看答案 - 2She sat there alone, with tears ________ down her cheeks.
A.stream
B.streamed
C.streaming
D.to stream
开始考试点击查看答案 - 3When I went in, they were _________ in a heated discussion.
A.absorb
B.absorbed
C.absorbing
D.being absorbed
开始考试点击查看答案 - 4Different opinions about where to build the chemical work arise at the meeting _________ now.
A.held
B.being held
C.to be held
D.holding
开始考试点击查看答案 - 5_________ dinner, she sat at the table,__________ for the children to return.
A.Finished preparing;waiting
B.Having finished preparing;waiting
C.Finishing to prepare;and waited
D.Having finished to prepare;and waiting
开始考试点击查看答案 - 6Did he want this matter ________?
A.to be dealt
B.to be dealt with
C.to deal with
D.to deal
开始考试点击查看答案 - 7Some people prefer ________ others play chess to ________ chess themselves.
A.watching; play
B.watch; play
C.to watch; playing
D.watching; playing
开始考试点击查看答案 - 8________ between the floors, the lift couldn't work.
A.Having trapped
B.To trap
C.Trapped
D.Trapping
开始考试点击查看答案 - 9There was a _______ look on her face so he got______.
A.puzzled; puzzled
B.puzzling; puzzling
C.puzzled; puzzled
D.puzzling; puzzled
开始考试点击查看答案 - 10He was lucky to ________ to Beijing University.
A.permit
B.be permitted
C.admit
D.be admitted
开始考试点击查看答案