问题
选择题
The teachers were always trying to ______ the excited students at that time.
A．calm down
B．set down
C．let down
D．turn down
答案
答案：A
题目分析：考查词组：A. calm down冷静下来，B. set down记下，C. let down让…失望，D. turn down拒绝，句意：在那个时候，老师总是想把兴奋的学生冷静下来。选A。