44. He must be getting thin for his trousers badly like a flag in the wind.A. are flowin

问题补充：

44. He must be getting thin, for his trousers badly like a flag in the wind.

A. are flowing

B. flow

C. flowed

D. have flowed

答案：

A. are flowing

B. flow

C. flowed

D. have flowed

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