单项选择题
A. a record calling on people to conserve nature B. a rule worked out by the United Nations C. an important book published in 1970 D. an idea that nobody would accept
A.three B.those C.thank D.theatre
A. It said so in the newspaper. B. Some people don’t believe it. C. The governor sent out a press release. D. A group of people studied the costs of raising a family.