Mary, together with her parents, were into the deep forest in search of rare plants when three were exposed to a big bear.
A. the; the
B. /;the
C. /; /
D. the; /
网友回答
A. the; the
(答案→)B. /;the
C. /; /
D. the; /
解析：考查冠词：句意：玛丽和她的父母一起进入森林寻找稀有植物当他们遇到大熊的时候。第一空不填，in search of“寻找”，第二空填the，特指玛丽和她父母三人，选B。