單項(xiàng)選擇題

Is extra power available（）emergency while maneuvering?

A.for
B.in
C.during
D.to

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單項(xiàng)選擇題

Is the pilot boat（）station?

A.in
B.at
C.with
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單項(xiàng)選擇題

It doesn’t matter（）lot should be loaded first.

A.whom
B.that
C.which
D.where