单项选择题

The wall was built along the river ______ floods.

A．in any case of
B．in the case of
C．in case of
D．in no case of
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单项选择题
Only in this way ______ catch up with your brothers.
A．do you can
B．can you
C．you can
D．you do can
单项选择题
There is often enough information on the card to tell you ______ or not.
A．whether the book will be useful
B．if will the book be useful
C．whether will the book be useful
D．whether will be useful the book
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