用could,must,mustn't填空.

来源：学生作业帮编辑：大师作文网作业帮分类：英语作业时间：2024/11/14 02:50:49

用could,must,mustn't填空.

look at the sun.it （）be 12.we have to go home for lunch.

2.lt’s dangerous.you （）swim in the lake.
3.the pen isn't yours.whose（）it be?
4.you （）be hungry after all that walking.
5.be quiet!you（）talk in the library.
6.the light in Peter's room is on,so Peter （） be at home.
7.Don't go too far in the forest,or you （）get lost.
8.that man in black（）be Mr Smith.l know him well.
9.you（）do the cleaning on the first day of the Chinese New Year.
10.lhaven't seen Lucy for almost ten years.she （）be a big girl now.

1,could
2,mustn't
3,could
4,must
5,mustn't
6,must
7,could
8,must
9,could
10,must

用could,must,mustn't填空. 用could,must,mustn't填空：用could,can,can't,must,mustn't need't may填空用can,must,can't,mustn't填空用can/can't;must/mustn't填空用must,mustn't,can,can't填空用can,may,must,can't,mustn't填空. 用can,may,must,can't,mustn't 填空用should,shouldn’t,must,mustn’t,needn’t,can’t ,may,have to 填空用can.can't,must,mustn't,will,have,to填空根据语境,用can,may,might,can't,must,mustn't等情态动词填空用适当的情态动词can,may,must,mustn’t,needn’t填空