26.-Do you know what the letters PRC ? -Sorry.I don’t know. A.stand up B.stand by C.stand for D.stand with 2 7.He is busy with the work that he has no time to visit his parents. A.too B.very C.such D.so 查看更多

 

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―Do you know what the letters PRC           ?

―Sorry,I don’t know.

       A.stand up              B.stand by               C.stand for                D.stand with

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