It is very important for us_____ English well.
| A．learn | B．learning |
| C．to learn | D．learned |
Some of the artist’s paintings are __________ in this exhibition in our City Museum.
| A．in turn | B．in public | C．on display | D．on duty |
Boys and girls, __________ you choose to wear, your clothes should be clean.
| A．however | B．whatever | C．whenever | D．wherever |
Some people say that the world is becoming smaller than before __________ the Internet.
| A．on | B．next to | C．because | D．because of |
—I have __________ all of my paper. Can I borrow some of yours?
—No problem.
| A．used up | B．made up | C．run up | D．put up |
—Don’t worry! Joe will come here on time.
—__________ he won’t come?
| A．Even if | B．Why not | C．What if | D．What about |