The scientists are studying the effects of human activities______the environment.
| A．in | B．at | C．on | D．with |
The 2010 World Expo in Shanghai is_____ to any other fair held in China this year.
| A．important | B．superior | C．senior | D．significant |
A modern city has been built in______ was a small fishing village.
| A．where | B．that | C．what | D．which |
-----Why can’t you answer my question? I gave you some tips just now.
-----Sorry. I ______a magazine.
| A．read | B．had read | C．was reading | D．am reading |
_______ in the leg made it impossible for him to walk home.
| A．Injured | B．Having injured | C．To be injured | D．Being injured |
The parade went_______ the streets to celebrate the traditional festival.
| A．across | B．by | C．through | D．towards |