单项选择题
He left for New York, in the（）of his aunt.
A.accompany B.companion C.company D.compassion
单项选择题 The dolphin may be（）but it seems to want to communicate.
单项选择题 Football, basketball and baseball are the（）sports in the USA.
单项选择题 All career decisions require us to（）these two kinds of knowledge.
