---Dinner is ready．Help yourself!
---Wow! This delicious．Could you please tell me how to cook it?
| A．feels | B．looks | C．sounds | D．tastes |
Wei Wei is _________________.
| A．five—year—old boy |
| B．a five years boy |
| C．five years old boy |
| D．a five—year—old boy |
My mother often spends 2 hours ______ housework every day.
| A．do | B．does |
| C．doing | D．to do |
— Must I come at four o’clock?
— Oh, no, you ________.
| A．don’t |
| B．mustn’t |
| C．don’t have to |
| D．can’t |
It’s too cold. You had better ______ your coat.
| A．don’t take off |
| B．not take off |
| C．don’t put on |
| D．not put on |
-Would you mind _______ the window?
-Of course not. I feel hot, too.
| A．not open |
| B．not opening |
| C．opening |
| D．to open |