有填空和句型转换,
问题描述：
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 alien got out.
While the boy was cutting his hair,his mother came in.（用when改写）
_______________________________________________________
答
1,was playing 2,Did were waiting 3,While was shopping 4,The boy was cutting his hair when his mother came in.