根据句子意思用must,might,could或cant填空

题目

根据句子意思用must,might,could或cant填空
根据句子意思用must,might,could或can’t填空
1The white ruler belong to Lucy.Hers is red.
2.I can’t find my keys.They be still at home.
3.The exercise book belong to Bob.It has his name on it.
4.Jim be at home.He has gone to his hometown.
5.This blue shirt belong to Ken.He likes blue best.
6.The schoolbag be Paul’s.There are a lot of books in it.
7.The volleyball belong to Alice.She plays volleyball every day.
8.The classroom is clean.Someone clean it just now

答案

can't
might/could
must
can't
might
could/might
might
might