问题标题：
用“when"或"while"填空1.___Margowastalkingonthephonehersisterwalkedin.2.___wevisitedtheschool,thechildrenwereplayinggames.3.___Satahwasatthebarber's,Iwasgoingtoclass.4.___IsawSarlos,hewaswearingagreenshirt.5.___Ali
问题描述：
用“when"或"while"填空
1.___Margowastalkingonthephonehersisterwalkedin.
2.___wevisitedtheschool,thechildrenwereplayinggames.
3.___Satahwasatthebarber's,Iwasgoingtoclass.
4.___IsawSarlos,hewaswearingagreenshirt.
5.___Aliwascleaninghisroom,thephonerang.
6.___Ritabougutheranewdog,itwaswearingalittlecoat.
黄必胜回答：
1、when
2.when
3.while
4.when
5.while
6.when
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