Our teacher requested all of us _________ late for class.
| A．were not | B．could not be |
| C．might not be | D．not be |
You have been sitting on my hat and now it is badly out of ________.
| A．order | B．shape | C．balance | D．date |
She often helps the students _____ she thinks are not good at English.
| A．whom | B．which | C．who | D．when |
You find it so hard to write the composition now if you had observed life carefully
| A．wouldn't | B．didn't | C．don't | D．mustn't |
Plastic bags won’t be allowed to be used for free in the supermarkets. They can’t _________ easily, which does great harm to our environment.
| A．break off | B．break in | C．break down | D．break out |
Lots of problems _______ from the newly –built apartment .
| A．rise | B．raise | C．lift | D．arise |