16. ---I am going to the supermarket to buy a quilt.
--- ________ You can easily buy one on the Internet.
A. Why not? B. Good idea! C. Why bother? D. By no means.
17. After _________ seemed like hours, a nurse wheeled Doris out of the emergency room.
A. that B. there C. which D. what
18. The number 911 is a special number, ________, I think, that will be remembered by the Americans forever.
A. what B. it C. which D. one
人教PEP版英语六上《unit 2 where is the science museum》PPT课件之一
人教PEP版英语六上《unit 1 how do you go there》talk A PPT课件
人教PEP版英语六上《unit 3 what are you going to do》PPT课件之三
人教PEP版英语六上《unit 3 what are you going to do》Part B Let’s Learn PPT课件
人教PEP版英语六上《unit 2 where is the science museum》Part A Let’s learn PPT课件
人教PEP版英语六上《unit 3 what are you going to do》PPT课件之五
人教PEP版英语六上《unit 3 what are you going to do》第一课时 PPT课件
人教PEP版英语六上《unit 6 the story of rain》课件包（3文件）
人教PEP版英语六上《unit 2 where is the science museum》 Part B PPT课件
人教PEP版英语六上《unit 5 what does she do》chant(2) flash课件
人教版PEP英语六上04版Recycle 1
人教PEP版英语六上《unit 5 what does she do》课件包（2文件）
人教PEP版英语六上《 Recycle 2》 dialogue flash课件
人教PEP版英语六上《unit 3 what are you going to do》PPT课件之一
人教PEP版英语六上《unit 3 what are you going to do》Part B Let’s read PPT课件
人教PEP版英语六上《unit 3 what are you going to do》PPT课件之六
人教PEP版英语六上《Unit 4 I have a pen pal》Let’s talk PPT课件
人教PEP版英语六上《unit 5 what does she do》课件包（4文件）
人教PEP版英语六上《unit 5 what does she do》sing flash课件
人教PEP版英语六上《unit 6 the story of rain》flash课件之二
人教PEP版英语六上《 Recycle 2》课件包（4文件）
人教PEP版英语六上《unit 1 how do you go there》多媒体课件包（4文件）
人教PEP版英语六上《unit 6 the story of rain》课件包（2文件）
人教PEP版英语六上《unit 6 the story of rain》PPT课件之七
人教PEP版英语六上《unit 1 how do you go there》PPT课件之二
人教PEP版英语六上《unit 2 where is the science museum》Period 1 PPT课件
人教PEP版英语六上《unit 3 what are you going to do》PPT课件之四
人教PEP版英语六上《unit 5 what does she do》 try flash课件包
人教PEP版英语六上《unit 5 what does she do》多媒体课件包（3文件）
人教PEP版英语六上《unit 1 how do you go there》PPT课件之三