中考聚焦
1. (2012·宁德中考)Ann is a nurse in our hospital. She ______ here for ten years.
A. works B. has worked
C. worked
2. (2012·湘潭中考)Mary ______ to school 10 minutes ago.
A. went B. has gone C. goes
3. (2011·淮安中考)—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