题目内容

This is your work. In no case _______ to leave your post.

A. are you
B. you are
C. can you
D. you can

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Not until recently ______ any idea what a guided missile was like.

A. could I have
B. had I
C. I had
D. did I have

So ______ that even the people in the next room could hear him.

A. loudly he spoke
B. he spoke loudly
C. loudly did he speak
D. loudly spoke did he

Only when one loses freedom ______ its value.

A. does one know
B. one does know
C. does know one
D. know one does

______ their support, we’d be in a very difficult position.

A. It were not for
B. Were it not for
C. Not for it
D. If it were not

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