---Why does Maria look so tired?
---She missed our school bus, ______she had to walk here all the way.
| A．or | B．so | C．but | D．and |
Pandas are________animals in the world．We must do something to protect them．
| A．endangered |
| B．danger |
| C．dangerous |
| D．in danger |
The ads in the newspaper lead some people________on trips to London．
| A．to go |
| B．go |
| C．going |
| D．went |
We think it’s very fair that some seats________to be large．
| A．design |
| B．are designing |
| C．are designed |
| D．to be designed |
—________do you feel about the heavy traffic?
—It makes me bored．
| A．What |
| B．How |
| C．Why |
| D．When |
I’d rather________a bus than ride a bike．
| A．take |
| B．to take |
| C．taking |
| D．took |