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】考查動(dòng)詞時(shí)態(tài)。根據(jù)語(yǔ)境“我不能出去游泳，（因?yàn)椋┪椰F(xiàn)在正在為我媽媽做家務(wù)。”后有now.故用現(xiàn)在進(jìn)行時(shí)。選A。