What would have happened ________, as far as the cliff?A．if Bob has walked farth

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What would have happened ________, as far as the cliff?

A．if Bob has walked farther	B．if Bob should walk farther
C．if Bob had walked farther	D．if Bob walked farther

答案

解析

略

举一反三

Walking in space _________sound easy, yet great care and skills are required.

A．may

B．shall

C．should

D．must

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The boss has given everyone a special holiday, so we _____ go to work tomorrow.

A．can’t

B．mustn’t

C．needn’t

D．shouldn’t

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There is only one who is capable of setting limits to your growth, and it _____ well be you.

A．may

B．should

C．will

D．must

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—You didn’t go to Europe, why?
—I _____ this morning, but I _____ to Shanghai because of an emergency .

A．was to start; am going	B．was scheduled to start; will go
C．should have started; am going	D．would like to start; will go

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Car lovers often organize field sports in our country. It is an activity that they ______ without the benefits of a car.

A．would never attempt	B．will never attempt
C．would never have attempted	D．can never have attempted

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