. This computer is the best one ____ the shop, but it is also the most expensive ___all the computers.
| A．in, of | B．in, in |
| C．of, of | D．of, in |
----My mother is ill in hospital.
——_______.
| A．That’s OK |
| B．All right |
| C．Thank you |
| D．I’m sorry to hear that. |
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 |