Question

—Shall we go out for a swim?

  —Sorry, I can’t. I ______ housework for my mother now.

  A. am doing       B. is doing        C. are doing         D. did

 

Answer 1

【答案】

A

【解析】考查动词时态。根据语境“我不能出去游泳，（因为）我现在正在为我妈妈做家务。”后有now.故用现在进行时。选A。