补全对话.
1. He is playing hide-and-seek.
2. He is behind the tree.
3. Do you like clapping games?
4. Great!
A: Class is over. Let's go to the playground!
B: OK.
A: Where is Tom?
B: _____________
A: What's he doing?
B: _____________
A: _____________
B: Yes, I do.
A: Let's play clapping games.
B: _____________
AB: One, two, three, four…Open the door.