3.( ) Your trousers too old. You need to buy a new .
A. is, one B. are, pair C. is, pair D. are, one
2.( ) Be careful! There a lot of on the road.
A. are, traffics B. are, traffic
C. is, traffics D. is, traffic
1.( ) The old woman is ill hospital. She is .
A. in, in danger B. in the, in danger
C. in, dangerous D. in the, dangerous
4.( ) When traffic is moving.
Ⅱ
a. It's dangerous to cross.
b. You should stop.
c. Certainly.
d. Look both sides.
3.( ) Would you like to leave a message to her?
2.( ) When you see the red light.
Ⅰ
1.( ) Before you cross the street.
4. the, what, weather, is, like
?
3. better, we, stay, at, had, home
。
2. message, can, take, a, you, I, for