超星 - 虚拟语气测试2 - 查题吧

单选题

We demanded that we __________ of any change in the plan.

A. informed
B. would be informed
C. be informed
D. had been informed

单选题

It’s necessary that he _________ a recognized qualification.

A. has
B. have
C. had
D. having

单选题

Much labour would have been saved if the electronic computers_________ before.

A. had invented
B. were invented
C. should have been invented
D. had been invented

单选题

Five minutes earlier, and we ____________ the last bus.

A. had caught
B. should have caught
C. could have caught
D. caught

单选题

But for friction, people _________ neither walk, nor even stand up.

A. can
B. were able
C. will be able
D. could

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