单项选择题

I am sure he is up to the job（）he would give his mind to it.

A. if only
B. in case
C. until
D. unless

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单项选择题

We told you that he would come tonight,（）

A. didn’t we
B. did we
C. would he
D. wouldn’t he

单项选择题

（） can be seen from the comparison of these figures, the principle involves the active participation of the patient in the modification of his condition.

A. As
B. What
C. That
D. It

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