It is well known that the Diaoyu Islands________(属于)to China.
Do you prefer _______?A. skate B. skates C. skating
—Must I finish my homework at once? — No, you ______.A. needn’t B. mustn’t C. won’t
You ______ wash your hands before meals. It is good for your health. A. may B. can C. must
It’s hot here. Please keep the windows _ A. closing B. open C. closed
Sally sings pretty _______ and she is also _______ at dancing. A. well; well B. good; good C. well; good