Student are told _____ very careful when they are doing experiments. A should be B.be C. to be D.will be为什么选C,理由一定要详细.tell sb sth 为什么这里用to be
问题描述：
Student are told _____ very careful when they are doing experiments.
A should be B.be C. to be D.will be
为什么选C,理由一定要详细.
tell sb sth 为什么这里用to be
答
go through one's mind 脑海里想到什么
这是固定词组
答
不定式从句,tell sb to do sth,告诉某人去做某事.这题是被动语态,所以就是 are told to do!