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
30.Mr.Snuth advised us to________a written agreement even it was just a small deal.
29.There are also instructions about the________of all the buttons and switches.
28.The university with two____campuses hasa student population of 50,000 in total.
27.Let' s move all the products into the hall and_____them in a proper order.
26.The whole class_____searching for the missing boy when the heavy rain poured down