三.用所给词的正确形式填空.1.The boys like to listen to music

三.用所给词的正确形式填空.1.The boys like to listen to music
三.用所给词的正确形式填空.
1.The boys like to listen to music when they do________(they)homework.
2.My mother's work is________(make)our city safe.
3.one day,Mr.GreenaskedMrs.Green________(go)shopping for him.
4.we would brush our_________(tooth)twice a day.
5.This book is the lightest and________(thin) of all the books.
6.she is________(good)than Alice at swimming.