单项选择题

Conversation 2

A. On the third floor.
B. On the first floor.
C. No. 85.
D. Not mentioned.
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单项选择题
A. Return these books. B. Go back home. C. Write a book. D. Leave class early.
A. Return these books.
B. Go back home.
C. Write a book.
D. Leave class early.
单项选择题
From the passage, we can know that
A. effective measures can be taken mainly by the government
B. taking measures now can soon improve the environment
C. immediate measures can cause great suffering and social problems
D. every single person’ s action has some effect on environment protection
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