用所给词的适当形式填空。
(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. Green asked Mrs. Green _________ (go) shopping for him.
(4)We should 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.
(7)Jane _________ (get) up at 7:30 am every day. So she is always late for school.
(8)I think the _________ (four) lesson is the most difficult in this book.
(9)Look at the sign. The library is _________ (close) from 1: 00 pm to 2 s 00 pm.
(10)Jason is used to _________ (watch) TV the whole night.