第1题
______their help, we wouldn't have succeeded.
A.Hadn't been for
B.Had it not been for
C.It hadn't been for
D.Hadn't it been for
第2题
Neither he nor I ()to Beijing.
A.have been
B.has been
C.haven’t been
D.hasn’t been
第3题
A.can't have been
B.shouldn't have been
C.mustn't have been
D.wouldn't have been
第4题
A.can’t have been
B.shouldn’t have been
C.mustn’t have been
D.needn’t have been
第5题
A.aren’t taken
B.haven’t been taken
C.weren’t taken
D.hadn’t been taken
第6题
A.mustn’t have been to
B.needn’t have been to
C.shouldn’t have been to
D.couldn’t have been to
第7题
A.Weren’t it
B.Hadn’t it been
C.Had it not been
D.Without it
第9题
A.wouldn't have been
B.shouldn't be
C.would be
D.hadn't been
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