1 Should the book____(return)to her this Friday?
问题描述：
1 Should the book____(return)to her this Friday?
2 The water should___(not put)here.
3 Teenagers should___(allow)to design their own school uniforms.
4 The classroom should___(clean)every day.
5 The bad food shouldn't be___(eat).
答
情态动词+被动语态
be returned
not be put
be allowed
be cleaned
eat