Most animals have little connection with _______ animals _____ different kind unless they kill them for food.
| A．the; a | B．不填; a | C．the; the | D．不填; the |
22. ---Chatting online has become_________popular means of communication..
---That’s true. It is especially popular with young.
| A． / ; the | B．a ; the | C．/ ; / | D．a ; / |
二、单项填空（共15分）
21. ---I’m sorry I shouldn’t have laughed at you the day before.
--- _________ .
| A．My pleasure | B．Thanks | C．Take it easy | D．Forget it |
Great changes have taken place in that school. It is no longer ______ it was 20 years ago, ____it was poorly equipped.
| A．what; when | B．that; which | C．what; which | D．which; that |
The teacher’s efforts ______ when one of his students was admitted to Beijing University last summer.
| A．paid back | B．paid off | C．paid for | D．paid out |
It is a beautiful car, but it is not ______ the price that I paid for it.
| A．cost | B．worthy | C．worth | D．value |