In the two years since Iraq was ousted from Kuwait, peace and prosperity have returned to the Gulf region. ______
 
【正确答案】 B
【答案解析】 句意:自伊拉克从科威特被驱逐出境这两年,和平与繁荣又重返海湾地区。oust意为“驱逐”。选项中outcast为名词,意为“被逐出的人”;drive out of意为“从……驱逐出去”;set out意为“出发,动身”;outdo意为“优于,胜于”。故本题选B。