All you do now is ______ your homework.A.completeB.completingC.having completedD.to have c

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All you do now is ______ your homework.

A.complete

B.completing

C.having completed

D.to have completed

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_________。