问题描述:
Hello!I'm very glad to see you.When ___you ___here
A.did; arrive B.will ; arrive C.have;arrived D.are ; arriving
我选了A,老是打我错.为什么?加上原因 ,.(不要复制的)
A.did; arrive B.will ; arrive C.have;arrived D.are ; arriving
我选了A,老是打我错.为什么?加上原因 ,.(不要复制的)
问题解答:
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