It’s clever________her________the math problem easily．
A．of；to solve
B．for；to solve
C．of；solving
––Would you like to watch the movies with me tonight?
––_______, but I have too much housework to do.
| A．I’d love to | B．That’s all right | C．Not at all | D．It doesn’t matter |
––How much does the ticket ______ from Yinchuan to Beijing?––310 yuan.
| A．take | B．cost | C．pay | D．spend |
––Don’t ask the foreigners that question. It’s too______.––Sorry, I won’t next time.
| A．bad | B．exciting | C．personal | D．bored |
The ______ at this time is very busy. There are too many cars on the road.
| A．light | B．line | C．environment | D．traffic |
I hear that Tom will be back _______ a month.
| A．at | B．in | C．for | D．on |