－When was the poor boy born ?
－His parents died early. Some villagers only know he was born _________ a cold winter morning.
| A．on | B．in | C．at | D．of |
—Has your father finished his report?
—Sorry，I don’t know．He ________ it this morning．
| A．was writing | B．wrote | C．has written | D．had written |
—Could you please come to the museum with me this afternoon?
—Sorry，I ________．I have to take a piano lesson at 2 pm．
| A．couldn’t | B．mustn’t | C．can’t | D．needn’t |
—May I listen to the music here，Mr.White?
—Sorry，you’d better ________ it like that．
| A．not to do | B．not do | C．don’t do | D．not do to |
Usually John ________ to school in his father’s beautiful car．
| A．has taken | B．is taking | C．is taken | D．has been taken |
________ nice flowers ! Where did you buy them？
| A．How | B．What | C．What a | D．What an |