7. Please keep __________.
6. There is a sign _________ the grass.
5. Keep ________ the grass.
4. You must stay ________from the building.
3. Can I go_________?
2. He is asking Ben some questions _________ the public signs.
1. Jack ________has ________ questions.
13.keep off 14.keep quiet
三 选词填空(每词只能用一次)
a lot of make about should off quiet in shouldn’t always
a lot on away
11. at Jinling Zoo 12. take a walk
9.公共标记 10.吵闹