填空题。 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.