Mary together with her parents were into the deep forest in search of rare plants when

问题补充：

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; /

答案：

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。