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1. It's difficult to get around the city at rush hours due to congested roads.
A. Moving to the city at rush hours is not a good idea.
B. It's not easy at rush hours because the downtown is congested.
C. Traffic congestion makes it difficult to travel in the city at rush hours.
D. Don't get around the city because all roads are congested.

2. The city council will cut down on electricity used for public lighting.
A. According to the city council, there will soon be no public lighting in the city.
B. The city council intends to reduce energy used to light public places.
C. The city council will cut down on investment in public amenities.
D. Public lights use up much electricity so the city council will remove them.

3. They should reduce the amount of fatty foods in their daily meals.
A. They should cut down on the amount of fatty foods in their daily meals.
B. They should eat more fatty foods in their daily meals.
C. They shouldn't cook fatty foods every day.
D. The more fatty foods they eat, the healthier they become.

4. Jack caught a cold after walking home in the rain.
A. Jack felt cold because he had to walk home in the rain.
B. The rain was cold, so Jack tried to walk home as quickly as possible.
C. The heavier the rain, the more quickly Jack walked to his home.
D. Jack came down with a cold because he walked home in rainy weather.

5. Tom conducted research to find out how much food his friends were throwing away.
A. Tom's research was about wasting food at his friends' home.
B. Tom did research on how to throw away food without harming the environment.
C. Tom's friends carried out research because he was throwing away too much food.
D. Tom carried out a study on his friends' food wasting habit.