【正文】
’s kind of you _______ (help) me with my English. 10. I don’t know the way, too. You can _______ (as k) the policeman over there. 11. I’m afraid there _________much time left. Let’s hurry. A. isn’t B. aren’t C. is 12. Every year_________ of trees are planted on the hills to protect the environment. A. a thousand B. thousands C. thousand 13. _____