Whatever is left over may be put into the refrigerator，________ it will keep for two or three weeks.(2011·安徽)
| A．when | B．which | C．where | D．while |
The organizers announced that the first ______ at the top shall receive a big prize.
| A．arrived | B．arriving | C．to arrive | D．arrives |
Thanks a lot for the trouble you ______ to help us.
| A．took | B．put | C．made | D．had |
It is now generally believed that a good teacher should be ______ to his/her students.
| A．convenient | B．adequate | C．accessible | D．suitable |
After losing one of his legs in the accident, we can imagine that he will have a lot of difficulties to overcome in the years ______.
| A．following | B．followed | C．to be followed | D．to follow |
. He is smart, handsome, considerate and humorous, ______, I can’t speak too highly of him.
| A．in particular | B．at the same time | C．in a word | D．on the other hand |