1 Brian! ________ must learn to behave in class!
2 Don’t tease Laura! ________ is not the teacher’s pet!
3 Look at the boys over there! ________ are not shouting like
you!
4 And don’t push Richard away! ________ wants to help you.
5 The head and I, ________ will have to talk to your parents soon.
6 Now all of you, will ________ please keep quiet!

答案：
1 du 2 hun 3 de 4 han 5 vi 6 I