--- ________ are the trousers?
--- They are 500 dollars.
---Wow, you are really a Tuhao.
| A．How | B．How much |
| C．Where | D．What |
－ Can you help me clean the room?
－ OK, _______ I have to wash the clothes first.
| A．so | B．but | C．because | D．as |
Everybody knows that blind people shouldn’t _______.
| A．look down on | B．be looked down | C．look down | D．be looked down on |
I think _______ is meaningful to help other people.
| A．it | B．this | C．that | D．/ |
Great changes _______ in our country since 1990.
| A．were taken place | B．took place |
| C．have taken place | D．have been taken place |
－ Have you seen the film Kongfu Panda?
－ No. but some of my friends _______.
| A．are | B．have | C．do | D．will |