试题详情
单词拼写-根据汉语意思填空 适中0.65 引用1 组卷40
Tom was extremely sleepy and found it very difficult to ________ (集中) on the lecture. (根据汉语提示单词拼写)
23-24高一上·广东珠海·期中
知识点:concentrate onfocus on不定式的一般式:to+动词原形不定式作原因状语 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!