试题题干
Correct the one error in each of the following sentences.
After giving the lecture, I started to listen to the students to discuss some social problems.
参考答案
试题解析
本题考查不定式的用法。listen to sb 之后接不带 to 的不定式作宾补说明不定式动作的全过程，故需要删掉discuss前面的to。
句意：讲完后，我开始听学生们讨论一些社会问题。