There are about ____________ students in our school.
| A．four thousand | B．four thousands of | C．four thousand of | D．thousand of |
If you have __________ where my lock might be, please tell me at once.
| A．less idea | B．more idea | C．no idea | D．any idea |
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 |