52单词网 > 高中英语 > 高中英语题库 > There are certain when you must interrupt people who are in the middle of doing

There are certain when you must interrupt people who are in the middle of doing

来源:网络 时间:
There are certain when you must interrupt people who are in the middle of doing

There are certain _________ when you must interrupt people who are in the middle of doing something.

[]

A.conditionsB.situationsC.occasionsD.environments

试题答案

答案:C

解析: