We couldn’t see the road clearly _______ the heavy snow.
| A．because | B．because of |
| C．so | D．Though |
— ______ will you stay in America?
— About two months.
| A．How many | B．How often | C．How long | D．How |
Taking ______ exercise and eating ______ food can make you keep thin.
| A．more; less | B．more; fewer | C．less; more | D．fewer; less |
—Would you mind ______ my pet dog while I’m away?
—Certainly not.
| A．take care | B．take care of | C．to take care of | D．taking care of |
There ______ a football game tomorrow evening, and I must stay at home to watch it.
| A．is going to be | B．is | C．is going to have | D．has |
Which do you ______, story books or comic books?
| A．like | B．read | C．watch | D．prefer |