问题
选择题
Where and when the meeting is to be held ______ our headmaster.
A．depend on
B．is up to
C．relies on
D．decides by
答案
答案：B
题目分析: 句意：何时何地举行会议是由我们校长决定。A依赖；B由某人决定；C依赖，依靠；D决定。分析句子结构可知此处缺少谓语动词，动词和主语Where and when the meeting is to be held之间是被动关系，排除ACD选项，答案选B。