The price of the house is too ______. I am afraid I can’t afford it.
| A．cheap | B．expensive |
| C．low | D．high |
Bob never does his homework_____Mary. He makes lots of mistakes.
| A．as carefully as | B．so careful |
| C．carefully as | D．as careful as |
I remember ______ him to turn off the light, but now it is still on.
| A．telling | B．to tell | C．tell | D．tells |
_____I have one healthy habit, _____I’m not very healthy.
| A．Because ; / | B．Although; / |
| C．/; so | D．/; but |
---_______should we clean the library?
--- You should clean the library at least twice a week .
| A．How many | B．How much |
| C．How long | D．How often |
We think that the best way to relax is _______ exercise.
| A．about | B．in | C．at | D．through |