He said he would prefer ______ others rather than ______ by others.
| A． to help; to help | B． to help; be helped |
| C． helping; helped | D． helping; to be helped |
As the wood us wet, it won’t ___.
| A．be caught fire | B．catch fire | C．on fire | D．put on fire |
What’s the name of the sport __ you try to get the other person down on the floor.
| A．in which | B．which | C．whom | D．in that |
___ is a good idea to keep quiet about the problem.
| A．That | B．It | C．There | D．What |
You’d better find an English pen friend ___ improve your writing.
| A．so that | B．in order that | C．to | D．for |
There are 2100 students __ all in our school.
| A．for | B．at | C．by | D．in |