If I______ the exam he would be astonished.A.did passB.passC.were to passD.had passed

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If I______ the exam, he would be astonished.

A.did pass

B.pass

C.were to pass

D.had passed

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_________。