用can,must,can't,mustn't填空

来源：学生作业帮编辑：搜搜考试网作业帮分类：综合作业时间：2024/05/11 23:55:36

用can,must,can't,mustn't填空
1.The children ____ play on the road.It's very dangerous.
2.---____ you skate on real ice?
---Yes,I can.It's easy.
3.---Who's that girl?
---It ____ be Mary.Mary has gone to Beijing.
4.As students,we ____ work hard at school.
5.---____ I clean the classroom now?
---No,you needn't

1mustn't 2.can 3.can't 4.must 5.Must

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