Ответ:
1.
A: Why is Billy being so naughty?
B: He is tired.
2.
A: Why are you tasting the soup?
B: I think it tastes a bit funny.
3.
A: It looks like their car has broken down again.
B: Yes. They are looking for a new one at the moment.
4.
A: What are you thinking of Ann?
B: She's cool! I am thinking of inviting her to my party.
