_______ entering the classroom, remember...

_______ entering the classroom, remember to take your seat and turn off your cell phone.

A．At

B．From

C．Upon

D．As

C 【解析】本题考查介词辨析。介词 on/upon后跟 V-ing 形式作“在……时；一……就……”讲，相当于 as soon as 引导的状语从句。

考点分析：

相关试题推荐

I worked as hard as I could _______ for the final exam.

A．to prepare

B．prepare

C．preparing

D．prepared

查看答案

Not only I but also Jane and Mary _______ tired of doing the same thing all the time.

A．is

B．are

C．am

D．be

查看答案

Getting _______ in the forest is very dangerous.

A. losing B to lose C. lost D. being lost

查看答案

Directions: Write an English composition according to the instructions given below in Chinese．

在“三月学雷锋活动”中，高二（3）班的学生志愿者们去阳光敬老院（Sunshine Nursing Home）开展志愿者活动。假如你是校英语报的记者李华，按下列要点用英语写一则不少于120个词的新闻报道。

要点：1、时间、地点、人物、活动； 2、老人们的反应； 3、简要评论。

注意：1、词数不少于120个；2、文中不得出现与本人及学校相关的任何真实信息。

Student Volunteers Brought Sunshine to the Elderly

_______________________________________________________________________________________

By Li Hua , School Newspaper

查看答案

My sister was against my suggestion while my brother was _______ it.

A．in favor of

B．in memory of

C．in honor of

D．in search of

查看答案

试题属性