They ______ a small laboratory and devoted every spare moment to this work.
| A．picked up | B．put up | C．set up | D．grew up |
Tom used to spend a lot of time computer games, which makes him very regretful.
| A．in |
| B．with |
| C．to |
| D．on |
I don’t like the way he speaks. He always looks down on others.
| A．which |
| B．that |
| C．what |
| D．by which |
Habits are like food we eat every day, which have both positive and negative effect our lives.
| A．in |
| B．on |
| C．to |
| D．for |
For centuries the upper classes in Britain spoke French ______ the common people spoke English.
| A．while |
| B．when |
| C．though |
| D．since |
As a matter of fact, it was the third time that we ______ your school.
| A．visited |
| B．have visited |
| C．had visited |
| D．would visit |