Medium level
Read the exchanges and fill in the gaps.

1.
A: ... go to the cinema tonight?
В: I’m sorry. I can’t. I’m going shopping with my mum.
2.
A: ... going to the zoo this weekend?
B: ... . The kids love animals.
3.
A: Let’s go swimming today. It’s very hot.
B: ... . Why not? It sounds like fun.
4.
A: How about playing tennis this weekend?
B: ... playing tennis. I prefer basketball.