In English class, our teacher often creates an environment _____ we are given the opportunity to solve problems ourselves．
| A．when | B．which | C．where | D．that |
—Could you help me write the annoying composition?
—No! As a student, you _____ do it by yourself.
| A．shall | B．will | C．can | D．may |
—Ouch! You hurt me.
—I’m sorry. But I _____ any harm. I _____ to drive a rat out.
| A．don’t’ mean; am trying | B．didn’t mean; tried |
| C．haven’t meant; tried | D．didn’t mean; was trying |
While studying, fix your mind on what is really important, or you will _____ remembering nothing.
| A．end up | B．take up | C．lead to | D．stick to |
The lost watch was found in David’s bag, and as a result, he was _____ with theft.
| A．accused | B．charged | C．scolded | D．blamed |
He wondered if he could slip out of the lecture hall without anyone _____.
| A．noticing | B．noticed | C．to notice | D．being noticed |