—Sometimes ads don’t tell people the truth about the goods.
—Yes, I agree ______ you. They le
e _____ something they don’t really need.
| A．at, buying | B．to, to buy |
| C．on, buying | D．with, to buy |
Mom, don’t worry ______me. I can take care of myself.
A. about B. with C. for
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