根据句意和首字母提示填空，完成下列句子。

1. Be c_____ of the dog that does not bark.

2. I haven't seen my cat for two days. I'm very w_____ about her.

3. Taiwan b_____ to China forever.

4. Three monkeys e_____ from the zoo. And it made us feel afraid.

5. He's always running for e_____ every morning.

6. She m_____ the bus and went late to school.

7. It's crucial that I study for it because it c_____ 30% to the final exam.

8. I'm really a_____, because I can't find my backpack.

9. Mark Twain is Mary's f_____ author.

10. You can't wake a person who is p_____ to be asleep.

结构化程序设计所规定的3种基本控制结构是循环结构、选择结构和 【3】 。