按要求完成句子，每空一词。
1. We go swimming every afternoon. (改为祈使句)
______ ______ go swimming every afternoon.
2. My sister is twelve years old. (就画线部分提问)
______ ______ is ______ sister?
3. The elephants are friendly, so I like them. (改为同义句)
I like elephants ______ ______ ______ ______.
4. The story is a little interesting. (改为同义句)
The story is ______ ______ ______.
5. There are five people in my family. (改为同义句)
I __ a family ___ five people.
