单项选择题

The project requires more labor than ______ because it is extremely difficult.

A. has been put in B. have been put in C. being put in
D. to be put in
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单项选择题
There is a real possibility that these animals could be frightened, ______ a sudden loud noise.
A. being there
B. should there be C. there was
D. there having been
单项选择题
She is pleased with what you have given him and ______ you have told him.
A. that
B. which
C. all what
D. all that
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