20 IV. Choose the underlined part that needs correction. Motorists always should wear a helmet when riding a motorbike. C D 1. A B 2. It just some metres from my bedroom to the living room. A B D 6. C 3. How long is it from your house to the post office? - About two kilometres. A B 4. Drinking and driving is illegally in many countries. A B C D 5. Traffic signals for pedestrians shouldn't be standard in every city. A B C D There are too much vehicles in Ho Chi Minh City these days. A B D 7. How far does it from Cao Bang City to Ca Mau City? - More than 2000 km. A B C D 8. A flashing DON'T WALK signal indicates you shouldn't crossing the street. A B D