We can buy the book______ a very good price. [ ]

_____ORBIS doctor who got here yesterday needed _______ X-ray machine to examine his patients.

It is reported that a small plane from South Africa crashed (坠毁) northwest of Changsha _____ May 28, 2004. [ ]

Tom was made_______ his own clothes by his mother．

I’m afraid I can do nothing about it. All that can be done ____.