1.You （）play table tennis in the corridors.A.must B.can c.should D.mustn't
2.Mun was sick last night.I cooked dinner（）her.A.for B.of C.in
3.Be careful!Don't（）your book.A.dropped B.find C .drop D.droped
4.Yesterday she ( ) a fire,but she didn't( )for help.A.saw shouted B.saw shouted c.see shout D.seed shouted