Read the following article and answer the question. Article: If you usually take the school bus or sometimes need to take public buses to school, there are some important rules you should know. *When you are waiting for the bus, you should wait at the bus stop, and stand well back. *When you get off the bus, make sure you and the driver can see each other, and wait for the driver to signal you before you cross the road in front of the bus. *Never go back for anything you may leave on the bus when it is starting. *Never bend down near the bus when you walk to or from the bus stop. *You should cross the street at a crosswalk or a street corner, and wait for the light to turn green or for the WALK crossing signal. *It is important to look carefully to the left, the right and the left again when you cross the street. *Remember that it is dangerous to stay in the areas around buses where the driver can't see you. Don't run between parked cars or buses. *Do not run across the street or through parking areas to catch up with your friends. Question: It is important to _ when you cross the street. Answer:
OPTIONS:
- run quickly
- wait for the light to turn green
- look carefully to the left
- look carefully to the right

Answer: wait for the light to turn green

Read the following article and answer the question. Article: What do you think the future will be like? Here are some answers from some students. Mary: If we don't take good care of the earth now, our children and grandchildren will be born into a world with much pollution . There will be fewer trees and more buildings, because there will be more people. Jack: I agree with Mary. Things will be worse . The weather in the future will be much hotter. Humans won't be able to live on the earth. They will have to look for another planet to live on. Linda: I think the life in the future will be better. Most people in the world will use "green cars" by 2020, so there will be less pollution and people will live to be 200 years old. As for space travel, I would say, we will visit Mars in about fifty years. Question: Why does Jack think humans will have to look for another planet to live on? Because _ . Answer:
OPTIONS:
- there will be too many buildings
- the earth will be too hot to live on
- there will be too many people
- the earth will disappear

Answer: the earth will be too hot to live on

Read the following article and answer the question. Article: Mr Smith works in a factory in the middle of the city. The factory is not far from his home. It is about 800 meters away. So Mr Smith doesn't go to work by bus. He usually goes there by bike, sometimes he walks to work. It takes him 10 minutes to get there by bike or 20 minutes on foot. He usually leaves home at ten minutes to eight. Today something is wrong with his bike. He wants to walk there. His work starts at half past eight in the morning and finishes at a quarter to five in the afternoon. ,. Question: Why doesn't Mr Smith go to work by bus? Answer:
OPTIONS:
- Because there is no bus.
- Because his factory is not far from his home.
- Because he likes riding a bike.
- Because he doesn't like taking a bus.

Answer:
Because his factory is not far from his home.