四、连词成句，完成对话，将序号写在横线上。
Dad: ¹ ? ① your ② Is ③ this ④ pencil
Tom: Yes, it is.
Dad: ² ? ① that ② is ③ What
Tom: A pencil cap. ③ .
① pencil ② my ③ for ④ It's
Dad: ⁴ .
① them ② Put ③ pencil case ④ your ⑤ in
Tom: OK, Dad.

① ②③①④；② ③②①；③ ④③②①；④ ②①⑤④③

1. 第一句是一般疑问句，需按照“Be动词+主语+其他”的结构组合，应为Is this your pencil?，对应序号②③①④；2. 第二句是特殊疑问句，需按照“What+be动词+主语”的结构组合，应为What is that?，对应序号③②①；3. 第三句是陈述句，需按照“It's+介词+名词短语”的结构组合，应为It's for my pencil.，对应序号④③②①；4. 第四句是祈使句，需按照“动词原形+宾语+地点状语”的结构组合，应为Put them in your pencil case.，对应序号②①⑤④③。

五、阅读对话，判断下列句子正T误F。
Mr Green: Good morning, class.
Class: Good morning, Mr Green.
Lily: This isn't my English book.
Lucy: Is that your book?
Lily: No, it isn't.
Lucy: I see a book on the floor.
Lily: Oh! It's my English book.
Mr Green: Don't talk in class, Lily and Lucy.
Lily & Lucy: Sorry, Mr Green.
Mr Green: Read the English words, Lily.
Lily: OK. "Rubber, ruler, school ..."
()1. The students学生 are in Mr Green's class.
()2. Lucy is looking for寻找 her English book.
()3. Lucy's English book is on the floor.
()4. Lucy and Lily talk in class.
()5. Mr Green is an English teacher.

1.T 2.F 3.F 4.T 5.T

1. 从对话开头师生的问候及课堂互动可知，学生们在Mr Green的班级里，该句表述正确。
2. 对话中是Lily在寻找她的英语书，并非Lucy，该句表述错误。
3. 对话里提到地板上的书是Lily的英语书，不是Lucy的，该句表述错误。
4. 根据Mr Green说的“Don't talk in class, Lily and Lucy.”可知，Lucy和Lily在课堂上讲话了，该句表述正确。
5. 对话中出现英语书、英语单词相关内容，Mr Green让学生读英语单词，说明他是英语老师，该句表述正确。