one choice question

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/05/16 02:51:36

one choice question
he smoked with concentration.he concentrated _____it.
a.with b.on c.in d.for

B
concentrate on something 集中做某事
固定搭配

one choice question choice question 什么是multiple choice question two choice question An English choice question! one question.. choice,one your life Life is like a multiple choice question.Sometimes,the choice the last one question English question only one one English question One Grammer Question