While the alien ____ a souvenir ,the girl called the police .A.was buying B bought为什么选A,如果换成是用when引导,这句话等于什么,请详解,

有填空和句型转换,填空：Mike hurt his leg while he ____ ____ football.____ you see the teacher while you ____ ____ for the bus?句型转换：The woman was shopping when the alien got out.（用while改写）_____ the woman _____ _____ ,the While the alien was in the museum,I called the TV station.是个什么句子? While the alien was in the museum,I called the TV station .Isn't that amazing! While the alien ____ a souvenir ,the girl called the police .A.was buying B bought为什么选A,如果换成是用when引导,这句话等于什么,请详解, Mary was shopping when the alien entered the supermarket.(用while改写句子) mary was shopping when the alien entered the supermaket用while改写该句 同义句转换——英语八下While the alien was buying a souvenir,the girl called the police.While the alien was visiting the museum,the boy called the TV station.把句中的while改成when while girl was shopping when ,the alien got out.神马意思 _While_the girl was shopping the alien got out.里面的While能换成When吗?为什么? the alien was buying a cap,i called my friend 用when还是while While the alien was buying a souvenir, the girl called the police中buy是延续性动词吗 I,while,was,down,the,walking,street,alien,an,of,out,got,UFO,the(连词成句） ( ) the girl was shopping, the alien got out.选择： A.when B.while应该要用哪个? while the alien was buying a souvenir,the girl called the police.这个句子如果把while换成when可不可以?换了之后, 初二英语An alien got out ____- the UFO and walked ____ the street A of down B from along 英语翻译while the boy was walking down the down the street the UFO landedthe girl was shopping when the alien got outwhile the girl was shopping the alien got out 有关as soon as________ the alien was in the museum ,I called the TV station.While 我明白 可 as soon as 英语翻译The boy was walking down the street when the UFO landed.While the boy was walking down the street,the UFO landed.The girl was shopping when the alien got out.While the girl was shopping,the alien got out.