sure of the word,he looked it up in the dictionary. A.Not being B.Not having bee——青夏教育精英家教网—

摘要： sure of the word,he looked it up in the dictionary. A.Not being B.Not having been C.Being not D.Not to be

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________ of the word, he ________ in the dictionary.

[　　]

A．Being not sure, looked it up

B．Not sure; turned it up

C．Not being sure; turned it up

D．Be sure; looked it up

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