Tom, yourself. Did you forget the school rules?
| A．behave | B．believe | C．perform | D．conduct |
The food tastes _____ and sells _____.
| A．well; well | B．good; good | C．good; well | D．well; good |
Children in China today have nothing ______.
| A．to worry | B．worried | C．to worry about | D．worrying about |
He must have attended the meeting yesterday,___________ he?
| A．didn't | B．mustn't | C．needn't | D．hasn't |
—Are you worried about her safety?
—Just_______. She isn’t alone.
| A．entirely | B．gradually | C．generally | D．slightly |
— You keep on coughing. What's the matter?
— Oh， I've got a cold. Nothing serious， ____.
| A．yet | B．indeed | C．though | D．anyway |