Mr Li always makes his class lively and keep his students ____(interset)in class

问题描述:

Mr Li always makes his class lively and keep his students ____(interset)in class
Mr Li always makes his class lively and keep his students ____(interest)in class
填什么

这个是没错的.
interested
句型 be interested in 对……感兴趣
keep后面要加形容词性的词,上面有人在误导.
别外,这里不用ing用ed也有被动的感觉.让学生感兴趣.