---- Must I get through the business in one evening?---- No, you______.A. mustn’t B. needn’t to C. don’t have to
Mysisteronlywatchesvolleyball____TV.
There are _____ months in a year._____ month is December.
—Can your friend sing?--______.
Do you have a pen?I want _____ a letter.
—______ is the ruler? —______ two dollars.