Organic farming is better _ the environment
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We have no right to consume happiness _producing it.
A. without
B. on
C. in
D. off
Micheal has already spent considerable amount of money.
A. 对
B. 错
Does concern mean a feeling of worry and anxiety.
A. 对
B. 错
Tom as much is a member of the orchestra as jane.
A. 对
B. 错