题目内容

Had they been warned of the possible danger, they ______.

　 A. may have escaped　 B. could have escaped　

C. must have escaped　 D. can have escaped

 

B

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— Hurry up! Alice and Sue are waiting for you at the school gate.

   — Oh! I thought they _____ without me.

A. had gone            B. are going               C. have gone         D. went

 

 So fast ________ that I could not catch up with them.

A．did they run       B．they had run       C．they ran          D．had they run

 

The old couple have been married for 40 years and never once ______ with each

Other.

A．they had quarreled                      B．they have quarreled

C．have they quarreled                     D．had they quarreled

 

 Only in this way, directed by the teacher, ______work out the problem the day before.

A．had they

B．they could

C．could they

D．did they

 

 Only in this way, directed by the teacher, ______work out the problem the day before.

A. had they   B. they could    C. could they     D. did they

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