就在外星人参观博物馆是,我报警了.I -----the police ------the alien ----- -----the museum.
问题描述：
就在外星人参观博物馆是,我报警了.I -----the police ------the alien ----- -----the museum.
答
while也可以用when代替
答
啊呦,人教版的呢~
i called the police while the alien was visiting the museum..
距离初中好远了呢不知道对不对