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单项选择题

There is something important ______.

A. writing
B. writing about
C. written
D. to write about
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单项选择题Is Germany right to try to ban a couple ______ their child Osama bin Laden

A. naming
B. to name
C. name
D. named

单项选择题Airships were balloons ______ engines.

A. have no
B. haven’t
C. having
D. without