______stopping polluting the earth______hope to live in a better environment．
| A．Only to；we Call | B．Only to；can we | C．Only by；can we | D．Only by；we can |
George is going to talk about the geography of his country, but I’d rather he ____ more on its culture.
| A．focus | B．focused |
| C．would focus | D．had focused |
— It seems ugly to me.
— That’s we differ. I think it’s rather beautiful.
| A．where | B．which | C．that | D．what |
— Are you going to see the film Going Home directed by Zhang Yimou tonight?
— No. I it on the Internet.
| A．have seen | B．had seen |
| C．saw | D．was seeing |
— Ben is now in charge of the project.
— ? The project has nothing to do with our business.
| A．How come | B．So what |
| C．Why not | D．What for |
The Greens stayed in Beijing for a week, during ______ time they visited places of interest here guided by me.
| A．which | B．whose | C．that | D．when |