交际小天才，根据情景选择正确答案。
1.当你有危险时应该说：[ ]
A. Help! Help!
B. Great!
C. Hooray!
2.请求别人的帮助时应该说：[ ]
A. I can help you.
B. Can I help you?
C. Please give me a hand.
3.当你想知道正在发生什么事情时应该说：[ ]
A. What's happened?
B. What's happening?
C. What is it?
4.你想知道农场有多少动物时应该说：[ ]
A. How many animals are there on the farm?
B. How many animals is there on the farm?
C. How many animals are there in the farm?
5.你想邀请别人一起去动物园时，应该说：[ ]
A. Let's go to the park.
B. Let's go to the zoo.
C. Let's go to the farm.
