Giúp ạ
 
----- Nội dung dịch tự động từ ảnh -----
1. All of us have to obey (traffic rules / traffic / traffic jam / safety) strictly.
2. I (play / used to play / have played / didn't used to play) marbles when I was young
3. We should (walk along / walk on / walk through / walk across) the road at
zebra crossing.
4. "(How far / How long / How often / How) is it from your house to the nearest
bus stop?"
5. Before the new system of traffic control, there (use to / used to / is used to /
was used to) be more accidents.
6. Cyclists and motorists have to wear a (hard hat / cap/ mask / helmet) when
they are riding.
7. We should wait for traffic lights (turn green / to turn green / turn yellow /to
turn yellow) before we cross street.
8. My mom (catches / goes / does / runs) the bus to work every morning, but Dad
drives.
9. Find the word which has different pronunciation : (said / wait / train / paid)