()2. We listen to the teacher carefully in class. It's important.

A.can
B.must
C.may

2.B

()3. The boy very fast. Look! He in the play-ground.
ground.

A.runs; running
B.is running; run
C.runs; is running

3.C

()4. —Is your cat sleeping now?
— It is playing with my sister.

A.Yes, it can.
B.Yes, it is.
C.No, it isn't.

4.C

()5. I like summer best, I can eat ice cream.

A.because
B.so
C.but

5.A

四、为下列图片选择对应的提示语。
1. （）
2. （）
3. （）
4. （）
5. （）
6. （）

A. You mustn't ride on busy streets.
B. You must wear your helmet.
C. You must wear a pair of swimming goggles(泳镜) and a swimming cap.
D. You mustn't play balls in the room.
E. The garden is too small. Pets are playing. You mustn't ride here.
F. You mustn't play football on the road.

1.F 2.D 3.B 4.A 5.E 6.C