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用when或while改写句子1.Iwaslisteningtomusicwhensomeoneknockedatthedoor2.WhileTimwasridinghisbicyle,hesawthealien3.WhenIwasJohn,hewaswearingafreenshirt

题目详情
用when或while改写句子
1.I was listening to music when someone knocked at the door
2.While Tim was riding his bicyle,he saw the alien
3.When I was John,he was wearing a freen shirt
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答案和解析
Someone knocked at the door while I was listening to music.
Tim was riding his bicyle when he saw the alien.
I was John while he was wearing a freen shirt