The Russian language teachers are convinced that their students' progress ,coming just weeks after the term,were caused by extra efforts to discourage students from speaking English.哪个选项是有语法或结构问题的?A are convincedB just weeksC were causedD from speaking
问题描述：
The Russian language teachers are convinced that their students' progress ,coming just weeks after the term,were caused by extra efforts to discourage students from speaking English.
哪个选项是有语法或结构问题的?
A are convinced
B just weeks
C were caused
D from speaking
答
选D discourage to do sth. 没问题
答
选D 没有discourage sb from doing 这个语法,应改为discourage students to speak English.
答
选A
discourage sb from doing sth 是指阻止某人做某事,有此用法
are convinced时态应为过去时,are 改为 were