填写单词。

1. Don't talk only. I need all of you to find some _______ to the problems we will

    have to face tomorrow.

2. We must keep the _______ between you and me. Don't let others know it.

3. English is very important. I have ______ the importance of learning English well.

4. The teacher was angry with him because he always made the same ________.

5. As a middle school student, Tom is old enough to look after _______.

6. It doesn't ______ if you don't understand every word in reading English magazines.

7. In our lives, everyone will meet many chances and _______.

8. We have only one earth. Protecting the earth is our _______.