Complete the sentences.

A.
1) There ... five rooms in our new house.

2) She ... ten next October.

3) I promise I ... hurt my little sister.

4) Tim is only one. He can't speak. When he grows up, he ... do it.

5) She thinks her students ... pass the exam.
B.
1) A: It's dark in here. B: ... .

2) A: I think the dog's ill. B: ... .

3) A: We can't go to the cinema tonight. B: ... .

4) A: Mum, my jeans are dirty. B: ... .

5) A: I'm thirsty. B: ... .