It is in this laboratory ______ is run by Mr. Wu ______ the experiments are done.
| A．which; that | B．that; which | C．where; that | D．that; where |
When _________ the office, I found the naughty boy _________ beside my desk, trembling.
| A．entered; standing | B．entering; stood |
| C．entered; stood | D．entering; standing |
A lot of teams wanted me to _________ for other positions and I told them no.
| A．try out | B．figure out | C．let out | D．break out |
_________ to a lot of new ideas when studying in college, Mary always does something that others can’t understand to realize her dream.
| A．Exposing | B．Exposed | C．Being exposed | D．Having exposed |
There are many cars coming up and down. If you insist on standing there, you will risk _________ down on the ground.
| A．knocking | B．to knock | C．being knocked | D．knocked |
All of us thought _________ no use talking about some unpractical matters frequently.
| A．that | B．it | C．this | D．which |