i am glad to see you.when ()you()here.A.did; arrive B.will ; arrive C.have;arrived D.are ; arriving

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i am glad to see you.when ()you()here.A.did; arrive B.will ; arrive C.have;arrived D.are ; arriving

i am glad to see you.when ()you()here.A.did; arrive B.will ; arrive C.have;arrived D.are ; arriving
i am glad to see you.when ()you()here.
A.did; arrive B.will ; arrive C.have;arrived D.are ; arriving

i am glad to see you.when ()you()here.A.did; arrive B.will ; arrive C.have;arrived D.are ; arriving
A,动作发生在过去,所以要用一般过去时,如果有不会可以再问

A.did; arrive 你什么时候到的 过去时

B

a