Are you certain who he is?的中文翻译

Are you certain who he is?的中文翻译 are you absolutely certain? 1.There are certain ____ when you must interrupt people who are in the middle of doing sth. 为什么是are you certain 不是are you certainly You are certain to be happy without me You are certain to be happy without me Who are you?Who am There are certain __ when you must interrupt people who are in the middle of doing something. A) conditionsB) situationsC) occasionsD) environments请问应该选什么?以及为什么? who are you翻译 翻译 Who are you Who you are?翻译 who are you?翻译 Who are you thinking 翻译 Who are you who are you? who are you you think who are who are you?sb? who are you