A professor said the rise of the BRICS countries(金砖国家) is a/an _______ of the end of the world in the control of the USA.A. barrier B. process C. aspect D. symptom
Scientists study ____ human brains work to make computers.
(2012辽宁卷)The newcomer went to the library the other day and scarched for he could find about Mark Twain.
_____ I want to tell you is the deep love and respect I have for my parents.
_______ you said at the meeting describes a bright future for the company.
It’s good to know _____ the dogs will be well cared for while we’re away.