unit 5 nelson mandela 第二部分： 英语知识运用第一节：单项填空（共15小题；每小题1分，满分15分） 从a、b、c、d四个选项中，选出可以填入空白处的最佳选项。 21. —i think teachers and students should respect each other. —_____. that’s important. a. i’m with you b. i don’t think so c. it doesn’t matter d. i’m sorry 22. the murderer, who was _____ to death by the judge last week, was only 20 years old. a. made b. caused c. killed d. sentenced 23. the buses, _____ were already full, were surrounded by anxious people. a. all of them b. all of which c
