练习中心
顺序练习
按照章节顺序依次练习所有题目,适合系统学习
组卷考试
随机抽取题目进行练习,适合巩固知识和检验学习效果
错题重做
针对做错的题目进行重点练习,强化薄弱环节
章节练习
选择特定章节进行练习,针对性提升某一知识点
收藏题目
集中练习收藏的重点题目,加深理解和记忆
考试记录
按题型或难度进行专项练习,突破学习瓶颈
题型练习
按照章节题型获取题目练习,适合系统学习
小练习
随机抽取题目练习
高频错题
按题目做错次数,加深记忆
题目预览
1. Sorry, I didn't mean to hurt you. ________
2. Hello. Let me introduce myself. I am Linda. ________
3. Let me introduce the new professor to you. ________
4. Upon reaching an __________age, children are encouraged, but not force, to leave the nest.
5. English is ________ useful language in the world.
6. Music is ______; we can hear it and feel it, but not see it.
7. If you had asked him again, he might _____ his mind.
8. It is important that the committee_________ about the project at once.
9. If I had had enough time, I ____my work.
10.Ten minutes earlier, they ________the plane.