while the alien was buying a souvenir,the girl called the police._英语解答

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,

人气：315 ℃　时间：2019-12-08 08:29:11

解答

在这个句式中while/when /as 可以通用,意思一样.