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Along with the letter was his promise about we were all eager to know. A. which B. that C. what D. whether 【查看更多】

 

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Along with the letter was his promise about _____ we were all eager to know.

A. which                               B. that                                  C. what                                D. whether

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Along with the letter was his promise about _____ we were all eager to know.

A. which                      B. that                  C. what                 D. whether

 

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