用when,while填空,顺便帮我区别1.thealienwasinthemuseum,icalledthepolice2.theboywaswalkingdownthestreetaUFOlanded3.thealienwasvisitingthemuseum,theboycalledtheTVstation4.iwascleaningmyroonthefire

Question

用 when,while填空,顺便帮我区别
1.____the alien was in the museum,i called the police
2.the boy was walking down the street__a UFO landed
3._____the alien was visiting the museum,the boy called the TV station
4.i was cleaning my roon ____the fire broke out
5.___Linda finally saw Davy,hewas jumping with a dog

Answer 1

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