欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

---- We’ve got to do something about pollution. It’s getting worse. ---- . A. Yes, it certainly is B. Yes, it is certainly C. Yes, we have D. No, you haven’t 【查看更多】

 

題目列表(包括答案和解析)

—We’ve got to do something about pollution. It’s getting worse.

—_____________.

A. Yes, it certainly is　　　　　　　　　　　　   B. Yes, it is certainly

C. Yes, we have　　　　　　　　　　　　　　　　 D. No, you haven’t

 

查看答案和解析>>

—We’ve got to do something about pollution. It’s getting worse.

—_____________.

A. Yes, it certainly is　　　　　　　　　　　　   B. Yes, it is certainly

C. Yes, we have　　　　　　　　　　　　　　　　 D. No, you haven’t

 

查看答案和解析>>

－We've got to do something about pollution. It's getting worse.

－________.

[　　]

A．Yes, it certainly is
B．Yes, it is certainly
C．Yes, we have
D．No, you haven't

查看答案和解析>>

－We've got to do something about pollution．It's getting worse．

－________．

[　　]

A．Yes, it certainly is

B．Yes, it is certainly

C．Yes, we have

D．No, you haven't

查看答案和解析>>


同步練習冊答案