【推荐1】________ (not take) photos here, sir! It’s bad for the things in the museum.

【推荐2】—Why d___________ you like tigers?
—Because I think they're really scary.

【推荐3】—Let’s ________ salad. ( 吃 have)
—Oh, no. I ________ ________ salad.

【推荐1】________ go to dangerous places.

【推荐2】Don’t ________ (踢) the door. It is impolite of you to do that.

【推荐3】
1. How many ________（policeman）are there in your school?
2. There   aren’t________（some）books on the desk.
3. ________（not sit）on the desk, please!
4. This is ________（we）art classroom. It’s very beautiful.
5. Look! They ________(be) Millie and Jill.
6. That is Benny. ________ (she) hair is brown.
7. —Is this room for the boys? —Yes, it’s the________(boy) room.
8. I have a bike, but Peter ________(not have) one.
9. My father is a ____________. (work)
10. Please put _____________ (they) away.
11. They are twin _______________ (sister).
12. His favourite ______________ (animals) is cat.
13. There are seven _____________ (box) on the desk..
14. ---What are ____________ (this)?　     ---They are apples