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问题 选择题

What _____ in that shop?[      ]

A. did  happen

B. is happening

C. was happened

D. happen

答案

答案：B

单项选择题

由大黄、芒硝、桃仁、桂枝、甘草组成的方剂是（）

A.血府逐瘀汤

B.大承气汤

C.桃核承气汤

D.凉膈散

E.生化汤
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选择题

My father isn’t in good health now. I think he should pay attention____ exercise.

A．to take

B．for taking

C．to taking

D．in taking
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