1. They are __________(搜查) the forest for the missing boy. 2. Daniel is the most ____________(勤勉的) boy. 3. Mr Green closed the door _________ and left, so nobody noticed him. 4. It is so dark at night that we cannot see ___________(任何人). 5. You can borrow books from the school library ,but you should _________them on time. 6. The bats(蝙蝠) always sleep in the __________and go out for food at night. 7. His grandfather _________(死) five years ago. 8. Would you like to __________ on the moon some day? 9. Look! A snake is moving towards us . It is very__________ . 10. When you leave , you should _________ to turn off the lights.