23.-Was problem solved? -We were trying to think of way out.but it was difficult to find one. A.a,a B.a:the C.the,a D.the,the 查看更多

 

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一Was   problem solved?

一We were trying to think of   way out,but it was impossible to find one.

A a:the    B the;a    C.the;不填  D。the; the

 

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