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單項(xiàng)選擇題

（）time will the pilot be available?

A.What
B.When
C.At what
D.At when

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（）the jumbo everything is ready for loading.

A.Except
B.Excepting
C.Except for
D.Except that

單項(xiàng)選擇題

（）the captain said is reasonable.

A.That
B.It
C.Which
D.What