My most devoted friend, Professor Yang, _______ often go hiking when he lived in

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My most devoted friend, Professor Yang, _______ often go hiking when he lived in the mountain that was covered with forest.

A．would

B．should

C．could

D．might

答案

解析

would表示过去习性惯动作。选A.

举一反三

Captain Cook commanded that all the goods _________ into the sea.

A．should throw

B．be thrown

C．threw

D．should thrown

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You __________ have told him my comment on him. Now, he is very angry with me.

A．needn’t

B．couldn’t

C．shouldn’t

D．mustn’t

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Kunming is called “Spring City”, but it _____ snow in winter.

A．shall

B．can

C．must

D．might

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Look! Tom is too sleepy to work．He _______ up watching TV．

A．mustn’t have stayed	B．shouldn’t have stayed
C．mustn’t stay	D．ought not to say．

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It’s required that mineral resources_______ hand in hand with the local environment protection.

A．be exploited

B．exploit

C．have exploited

D．exploited

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