Look! The students _____ the classroom.
| A．clean | B．are cleaning |
| C．are clean | D．cleaning |
While you are doing math exercise, put a calculator(计算器) ____ to help you.
| A．in hand | B．at hand | C．by hand | D．on the hand |
Here you are! This is one of the keys ____ the lock.
| A．of | B．for | C．to | D．in |
I can’t ______ Tom. He is a real idiot(白痴).
| A．put up with | B．put away | C．put on | D．put up |
After three weeks she had got used _____ alone.
| A．to be | B．be | C．to being | D．being |
Wangmeng won 4 gold medals for China in the winter Olympic Games so we’re proud _____ her.
| A．in | B．with | C．on | D．of |