1．Girl: Hi, Jim! You must keep off the grass.

女孩：嗨，吉姆！你不要进入草地。

2．Boy: Hi, Jack! You mustn't play football on the street.

男孩：嗨，杰克！你禁止在街道上踢足球。

3．Girl: Peter often helps Mum do housework at home.

女孩：彼得经常在家帮妈妈做家务。

4．Boy: Hi, Mingming! Don't eat in class.

男孩：嗨，明明！别在课上吃东西。

5．Girl: Don't read in bed, Peter!

女孩：别在床上看书，彼得！

6．Boy: Hi, Fangfang! You mustn't pick flowers.

男孩：嗨，芳芳！你禁止摘花。

7．Girl: Hi, Peter! You shouldn't go home too late.

女孩：嗨，彼得！你不应该回家太晚。

8．Boy: Hi, Tom! Don't make noise in class.

男孩：嗨，汤姆！别在课上制造噪音。