A. 你必须要在晚上9:00之前上床睡觉。 B. 你不能在桌子上写字。 C. 你必须每天读书。 D. 你不能在河边玩耍。 E. 你必须把你的书放进书桌里。
1.You must read books every day. ( ) 2.You mustn’t write on the desk. ( ) 3.You must put your books in your desk. ( ) 4.You must go to bed before 9: 00 pm. ( ) 5.You mustn’t play near the river. ( )
( ) Because I play football with Jim. ( ) Here are the classroom rules. ( ) I’m very sorry, Ms Li. I will never do it again. ( ) Tom, why are you late for school? ( ) You must go to school on time.