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Small it is, the pen is a most useful tool. A. because B. so C. if D. as 【查看更多】

 

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Small _____ it is, the pen is a most useful tool.

A. because          B. so                  C. if                  D. as

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 Small _____ it is, the pen is a most useful tool.

A．because

B．so

C．if

D．a(chǎn)s

 

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