______
A. By saving energy.
By using less aluminum.
C. By reducing poisonous wastes.
D. By making the most of materials.
______
A. We are running out of natural resources soon.
B. Only combined efforts can make a difference.
C. The waste problem will eventually hurt all of us
D. All of us can actually benefit from recycling.
______
A. Join a tourist group.
B. Choose a major airline.
C. Avoid trips in public holidays.
D. Book tickets as early as possible.
______
A. She can get a discount for economy night.
B. She can get a discount for business night.
C. One of her children can take a free night.
D. Her children can get discounts for economy night.
______
A. He moved to Stratford-on-Avon in his childhood.
B. He failed to go beyond grammar school.
C. He was a member of the town council.
D. He once worked in a well-known acting company.
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