1 . If you c________ your legs often, you will have O-shaped legs.

2 . Look! An old man ________ (cross) the street. Let’s go up to help him.

3 . 在过马路之前，我们一定要停下来看看路两边。
We ________ ________ and have a look at the both ways ________ ________ ________ the street.

4 . 所给单词或词组的正确形式完成下列句子。每词只用一次。

miss, cross, brush, run, study

1. The girl ________ her teeth every night.
2. Jane is good at ________ and she often practices after school.
3. It’s very difficult for them ________ the river to get to school.
4. Look! Mike and Peter ________ Chinese in the classroom.
5. Does he ________ his friends when he is not at school?

5 . —Can you tell me how ________ to Wanda Square?
—Sure. Go ________the street and turn left, you can see it.

A．to get；cross

B．getting；across

C．to get；across

6 . Leo hurt (使受伤) his leg, so he can’t ________ now.

A．cross

B．build

C．move

7 . Look! there is a bridge ________ the river. Be careful when you ________ it.

A．across: over

B．over; cross

C．across; cross

D．cross; over

8 . Don’t ________ (横穿) the street when the bus is coming.

9 . It’s dangerous ________ (cross) the road here.

10 . Pay attention to the traffic lights before you ________ the road.