Bob would have helped us yesterday, but he_______A．was busyB．is busyC．had been b

题型：不详难度：来源：

Bob would have helped us yesterday, but he_______

A．was busy

B．is busy

C．had been busy.

D．will be busy

答案

解析

略

举一反三

After he left college , he was employed in an international company and __

___ there ever since .

A．worked

B．has worked

C．had worked

D．was working

题型：不详难度：| 查看答案

If one 　　　　 succeed， one must put his heart into his career.

A．will

B．is going to

C．is to

D．is about to

题型：不详难度：| 查看答案

Sor

ry， I didn’t hear you. I 　　　　 to the music.

A．just listened

B．was just listening

C．has just listened

D．had just listened

题型：不详难度：| 查看答案

Never before 　　　　 in greater need of technical experts than it is today.

A．has Hunan been	B．Hunan has been
C．was Hunan	D．Hunan was

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It is time the whole society 　　　　 the disabled as they are.

A．accept

B．will accept

C．accepted

D．accepts

题型：不详难度：| 查看答案