单项选择题

At no time ______ what was happening.

A. the President was aware of
B. the President was aware about
C. was the President aware of
D. was the President aware on

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单项选择题

There is no point ______ to persude him to do anything.

A. to trying
B. in trying
C. of trying
D. to try

单项选择题

More than one student ______ the College English Test of Band Six.

A. have passed
B. has passed
C. had passed
D. had been passed

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