题目内容

Had I know about this computer program, a huge amount of time and energy_______.

A. would have been saved
B. had been saved
C. will be saved
D. was saved

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If she had worked harder in the past years, she ____now.

A. would succeed
B. had succeeded
C. should succeed
D. would have succeeded

判断句子的虚拟使用是否正确：It is high time the child be sent to the hospital.

A. 对
B. 错

判断句子的虚拟使用是否正确：Alan would go to the party if he had gone to London.

A. 对
B. 错

判断句子的虚拟使用是否正确：He is talking so much about America as if he had been there.

A. 对
B. 错