--Why are the windows so dirty?--Because we_________them for a long time.A. have cleaned B. haven't cleaned C. didn't clean
Tom ill yesterday, so he to school.
It will take you two weeks_____ the work.
— is it from here to the station? —It's about three miles from here.
— ? —She goes to work by boat.
— does it take you to walk home? —About twenty minutes.