Students are supposed _______ school uniforms on school days. A. wear B. to wear C. wearing
The doctor did what he could_________ the dying man.
–Would you like some coffee or tea?–________. Water is OK.
The young man used to_______ to work, but he is used to________ to work now.
–Can you hear me?–No, I can’t. Would you please speak________?
Today is my mother’s ________ birthday. I will buy her a gift.