根据要求改写句子,每空一词.

题目

根据要求改写句子,每空一词.
1.My mother was ( talking to Mrs Brown ) when I got home.（对括号内部分提问）
_______________ was your mother ______________ when you got home?
2.There will be less pollution in the future.(改为一般疑问句)
_______________ ______________ be less pollution in the future?
3.He should (buy a computer for his son).(对括号内部分提问)
_______________ should he _______________?
4.Now your uncle is playing football.(改为过去进行时)
Your uncle ___________ ____________ football at this time yesterday.

答案

1.What was your mother doing when you got home?
2.Will there be less pollution in the future?
3.What should he do?
4.Your uncle was playing football at this time yesterday.