题目内容
用适当的连词填空
I met an old friend ________ I was walking in the park．
I wonder ________ they can win the match．
I haven’t heard from him ________ he went to America．
I listen to the recorder ________ I have time．
I haven’t seen him ________ he moved to the other side of the town．
I waited ________ he came back．
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