Mr. Green said his clients______our samples by the end of last month.A.didn"t receiveB.had

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Mr. Green said his clients______our samples by the end of last month.

A.didn"t receive

B.hadn"t received

C.haven"t received

D.don"t receive

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。