In writing a composition, there must not be one sentence or even one word which is brought in ______.
| A．at random | B．at ease | C．on purpose | D．at times |
However,the incident was the only spark_____the fire.
| A．which set off | B．set off | C．that set off | D．setted off |
I enjoyed all his novels with the_____of his last.
| A．except | B．exception | C．exceptional | D．expedition |
I will_____to go and study abroad next year.
| A．apply | B．answer | C．appreciate | D．appoint |
The twins look alike,but they _____in character.
| A．different | B．differ | C．distinguish | D．transform |
----Where_____the recorder ?I can not see it anywhere.
-----I_____it right here.But now it is gone!
| A．did you put,have put | B．have you put, put |
| C．had you put,was putting | D．were you putting,have put |