根据句意用can,could,mustcan't填空1、IthinkthebookbeJim'sbecausehisnameisonit.2、That'snotmine.Whoseitbe?3、thenewsbetrue?Ican'tbelieveit.4、ItbeBob.Heisinthelibrarynow.

Question

根据句意用can,could,must can't填空
1、I think the book _____ be Jim's because his name is on it.
2、That's not mine.Whose______ it be?
3、______ the news be true?I can't believe it.
4、It _____ be Bob.He is in the library now.

Answer 1

1 must 2 can 3 could4 can't