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 _______.