来自潘晓涛的问题
用when,while填空,顺便帮我区别1.____thealienwasinthemuseum,icalledthepolice2.theboywaswalkingdownthestreet__aUFOlanded3._____thealienwasvisitingthemuseum,theboycalledtheTVstation4.iwascleaningmyroon____thefire
用when,while填空,顺便帮我区别
1.____thealienwasinthemuseum,icalledthepolice
2.theboywaswalkingdownthestreet__aUFOlanded
3._____thealienwasvisitingthemuseum,theboycalledtheTVstation
4.iwascleaningmyroon____thefirebrokeout
5.___LindafinallysawDavy,hewasjumpingwithadog
