单项选择题

（）adequate preparations, we might have succeeded.

A．Would we make
B．Had we made
C．If we are to make
D．If we were making

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单项选择题
The professor requests that we（）the term papers by the end of this month.

A．will hand in
B．will have handed in
C．to hand in
D．hand in
单项选择题
The DNA test, together with other tests, the prisoner's innocence（）

A．proves
B．prove
C．proving
D．have proved
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