The producer comes regularly to collect the cameras _____ to our shop for quality problems.
25. ______ from the top of the hill, the city takes the round shape with a flowing river through it.
24. That kind of computer is very expensive. I will buy one, ______.
23. I have no bookshelf in my room, so I am going to make ______ myself.
22. The president ______ the new economic policy.
二、单项填空(本节有10小题,每小题1分,共10分) 21. Many people agree that ______ knowledge of English is a must in ______ international trade today.