______had she finished the poem______the students began to ask her questions.A.As soon as.

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______had she finished the poem______the students began to ask her questions.

A.As soon as...than

B.No sooner...than

C.As soon as.. .when

D.No sooner.. .when

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_________。