【文章內容簡介】
C. is 12. Every year_________ of trees are planted on the hills to protect the environment. A. a thousand B. thousands C. thousand 13. ________ can we go to the Tower of London? A. Where B. Which C. How 14. _________ the bridge, you can see the hospital on your right. A. Go cross B. Go across C. Across 15. A restaurant is a pl