單項(xiàng)選擇題

I have not found my stowage plan yet; in fact，I am not sure（）I could have done with it.

A.whether
B.what
C.why
D.when

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I have（）with unknown vessel.

A.collision
B.collided
C.colliding
D.collide

單項(xiàng)選擇題

I have（）to tell you.

A.particular nothing
B.particular something
C.something particular
D.anything particular