—It’s so hot here . Do you mind _____the window ?.
—_____. I will do it right now .
A. to close ; Yes B. to open ; No
C. opening ; Of course not D. closing ; I hope so
—Must I finish my homework today?
—No, you______ . You can finish it tomorrow.
A. can’t B. shouldn’t C. needn’t D. mustn’t
Trees can help reduce air pollution . That’s true. __ , they can make the city cooler in hot summer .
A. However B. Therefore
C. Moreover D. Otherwise
He has been away .
A. since a month B. for a month C. for a month ago D. in a month
His business is often_______. I hope he will have more ______at his business .
A. successful ; success B. success ; successful
C. succeed ; successful D. success ; succeed
The room _____ every day.
A. must clean B. must be cleaning C. must be cleaned D. is cleaning
