【题目】People from the West like to use “please” and “thank you” in cases some people in Asia may not think necessary.
A. that；it B. when；that
C. where；it D. what；/
在线课程【答案】C
【解析】先行词为case，point，situation等表抽象地点的名词时，定语从句要用where来引导。第二个空考查it作形式宾语，necessary后面省略了真正的宾语to use “please” and “thank you”。