-______ hard work you have done! -It’s very kind of you to say so.
— Which of the caps will you buy?— I’ll buy ______ , one for my father and the other for my mother.
The boy doesn’t speak ____ his sister, but his writing is good.
They arrived there ______ 5:00 ______ a cold morning.
Don’t forget to take ___ umbrella when you go to play ___ tennis in the gym .
We should sleep ______eight hours a day, or it’s bad for our health.A. at most B.least C. at least