Question

complete the sentences with must be,can't be,could be,or might be. there may be more than one possible answer. Помогите пожалуйста!
1. Be careful with that dog.it might be dangerous.
2. it _________ that difficult. even my little brother knows how to do it.
3. you really want to go bungee jumping? you ________ mad.
4 A: where's Gulmira?
B: she _________ in her room. i'm not sure
5. you _________ hungry already. you've just had lunch

Answer 1

2. Can't be.
3. Must be
4. Might be
5. Can't