Unit 9课堂练习题（一）
Lessons 49—51
Lesson 49
I.根据句意用适当的介词填空。
1. How are you getting along ___________ your classmates?
2. This problem is very important ___________ us.
3. I think you will succeed __________ your study.
4. We should be friendly ___________each other.
5. What is the relationship ___________ you and him?
II. 根据所给的汉语完成句子，每空一词。
1. 这是多么有趣的一个话题啊！
______________ ___________ ____________ topic this is!
2. 他和他的朋友们相处得很融洽。
He __________ ___________ ___________ __________ his friends.
