问题
选择题
Look, a group of students are playing the violin there, ____their teacher as the conductor.
A．in front of them stand
B．in front of them stands
C．in front of whom standing
D．in front of whom stands
答案
答案：D
介词+关系代词引导的定语从句，先行词为a group of students，从句是倒装结构其主语为their teacher是单数形式谓语也要用单三形式。看一群学生在那拉小提琴，老师当指挥站在他们前面。 选D