It was suggested that I should (come) ____here for the sunshine before I started for home.
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To answer correctly is more important than (finish) ____quickly in the exam.
There were then more than 200 children ______ art in the school.
A. to study
B. studying
C. study
D. studied
Would you mind (open) ____the window to let fresh air in?
经济学中短期和长期的划分取决于( )
A. 时间长短
B. 可否调整产量
C. 可否调整产品价格
D. 可否调整全部生产要素
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