题目内容
（请给出正确答案）
I have not found my book yet. I'm not sure ______ I could have done with it.
A．why
B．where
C．whether
D．what
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更多“I have not found my book yet. …”相关的问题
I don't have to buy a new dictionary because I've found my old ______.
A．one
B．it
C．that
— ______ my notebook？ —Yes, I ______ it when I tidied your room.
A．Did you find; have found
B．Did you find; has found
C．Have you found; found
D．Have you found; have found
A.unique
B.harmless
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A.finding
B.having found
C.to find
D.to have found
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C. have found
D. will find
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A．unique
B．positive
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D．negative
I have not found my book yet; in fact, I am sure _____ I could have done with it.
A.whether
B.where
C.when
D.what
A.finding
B.having found
C.to find
D.to have found
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