1.-The twins will fly to London with their parents this afternoon?-No.In fact,their plane_____A.has taken offB.will take offC.is taken offD.is being taken off满分：4 分2.All flights ________ because of the terrible weather,they had to go there by train.A.having been canceledB.had been canceledC.having canceledD.were canceled满分：4 分3.The boy spent as much time watching TV as he ________ studying.A.doesB.hadC.wasD.did满分：4 分4.My experience ought to be a warni

1.-The twins will fly to London with their parents this afternoon?-No.In fact,their plane_____
A.has taken off
B.will take off
C.is taken off
D.is being taken off
满分：4 分
2.All flights ________ because of the terrible weather,they had to go there by train.
A.having been canceled
B.had been canceled
C.having canceled
D.were canceled
满分：4 分
3.The boy spent as much time watching TV as he ________ studying.
A.does
B.had
C.was
D.did
满分：4 分
4.My experience ought to be a warning to those who are too_______ in their own opinions.
A.certain
B.sure
C.confident
D.bound
满分：4 分
5.Sometimes children have trouble _______fact from fiction and may believe that such things actually exist.
A.to separate
B.separating
C.for separating
D.of separating
满分：4 分
6.Who would you rather ____ with you,George or me?
A.going
B.to go
C.have gone
D.went
满分：4 分
7.Contrast may make something appear more beautiful than it is when ________ alone.
A.seen
B.is seen
C.to be seen
D.having been seen
满分：4 分
8.All their attempts to _____ the child from the burning building were in vain.
A.regain
B.recover
C.rescue
D.reserve
满分：4 分
9.The manager urged his staff not to _____ the splendid opportunity.
A.drop
B.miss
C.escape
D.slide
满分：4 分
10.The frightened view has _____ upon me deeply.
A.impressed
B.pressed
C.shocked
D.captured
满分：4 分