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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单项选择题

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

单项选择题

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

单项选择题

A.the leaked
B.leakage
C.leaking
D.leak

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