题目内容

It is necessary ____ this in mind.

A. keep
B. keeping
C. kept
D. to keep

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____ took us half a year to finish the work.

A. This
B. That
C. It
D. They

____ is true that he won the game.

A. This
B. That
C. It
D. The

It is ____ that 5 people were killed in the earthquake.

A. report
B. reported
C. reporting
D. to report

It's impossible ____ him ____ there in time.

A. of , to get
B. for , getting
C. of , getting
D. for , to get

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