Nobody could understand her though she tried to her idea by using the simplest English, because they are foreigners.
| A．display | B．convey | C．say | D．speak |
. Put on your rain()coat ________ it rains.
| A．because | B．as | C．lest | D．in case E) in condition |
.________ gas leaks and similar accidents should occur, some responsible persons should regularly inspect all the laboratories.
| A．Unless | B．In case | C．Provided | D．Until |
. ________ in one leg, he never had a chance to get a job.
| A．Weak and lame | B．He was weak and lame |
| C．Though weak and lame | D．Weak and lame as he was |
. The production of television commercials must be professional ________ they aim at promoting good service, or public education.
| A．when | B．no matter | C．if | D．whether |
. The prices have been going up, so that the richer you get, the less rich you are than ________ you think you ought to be.
| A．that | B．/ | C．what | D．which |