问题描述：
紧急求助英语What was happening____?
1.What was happening____?
A.to Ann B.of Ann C.for Ann D.on Ann
2.Tom was writing his letter______the telephone rang.
A.while B.as C.when D.then
请问大侠们各选什么,并给出原因.小弟我只有44分了,给30分吧,回答完了再加10分
1.What was happening____?
A.to Ann B.of Ann C.for Ann D.on Ann
2.Tom was writing his letter______the telephone rang.
A.while B.as C.when D.then
请问大侠们各选什么,并给出原因.小弟我只有44分了,给30分吧,回答完了再加10分
问题解答：
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