1.Don't lie down in bed after meals at once.
2.Lily can`t(be)at school now.
3.It is raining(heavily)outside,isn`t it?
4.What should he(do)to learn maths well?
5.My watch(doesn't work).Can you mend it?
6.When(will/did)you(finish)(finish) your work?
7.It`s time for her (to have)an English class .