[解析]
1. ﹣Do you have a library?
﹣Yes,we do.It's on the second floor.
2. ﹣Let's go to the playground and play
football,Mike.
﹣OK.Let's go!
3.﹣What time is it?
﹣It's 12 o'clock.Time for lunch.
4.﹣Are these sheep and cows?
﹣Yes,they are.
5.﹣Is it cold today?
﹣No,it isn't.It's hot outside.