---Do you often ________ English books? ---Of course.
| A．see | B．read |
| C．look at | D．watch |
Great changes __ in the city in the past 20 years, and a lot of factories ____.
| A．have been taken place; have been set up |
| B．have taken place; have set up |
| C．have taken place; have been set up |
| D．were taken place; were set up |
—Mr. Smith has decided to his bad habit of smoking.
—That’s good news. I hope he can do it.
| A．set up | B．clean up | C．give up | D．save up |
When I dropped in, Dr Smith _____, so we only had time for a few words.
| A．just left | B．was just leaving |
| C．has just left | D．had just left |
The chemical factory is far away in the mountains. It is nearly ____ ride from the city.
| A．a six-hour | B．a six hour’s | C．six hour’s | D．six hour |
My family consider a computer, which is considered a great help in our work and study.
| A．to buy, to be | B．buying, being | C．to buy, being | D．buying, to be |