在方框中选择合适的选项把对话补充完整。
Linda: Look at the monkeys! They are ____ all the time.
Takuya: Look! ____ swinging?
Linda: Father monkey.
Takuya: Hey, Linda. Look at those two monkeys. ____ fighting?
Linda: Oh, yes. They are fighting!
Takuya: ____ the smallest monkey. He's under his mother's belly.
Linda: ____!