We can’t see ____ sun at night.A. a B. an C. the
—She didn’t make ______ great progress,did she?_______,although she did her best.
I think it's well worth ______ our best to learn a second language well.
The thing that matters is not whether you fail or not, _______whether you try or not.
_______ Mrs. Zhang ______ Dr. Yang shows great interest in the topic we are talking about. They want to know more about it.
--Did you enjoy the outdoor training yesterday?-- No, not at all! I was ________ dead after so much hard training.