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 talk loudly when we see the sign “Be quiet on the wall. A. must B. mustn’t C. need D. needn’t 【查看更多】

 

題目列表(包括答案和解析)

We _______ talk loudly when we see the sign "Be quiet" on the wall.
[     ]
A. must
B. mustn't
C. need
D. needn't

查看答案和解析>>

—We ______ talk loudly when we see the sign "Be quiet" on the wall.
—Yes, you are right.  We should be polite in public.
[     ]
A. must
B. mustn't
C. need
D. needn't

查看答案和解析>>

We ________ talk loudly when we see the sign“Be quiet”on the wall．

[　　]

A．must

B．mustn’t

C．need

D．needn’t

查看答案和解析>>


同步練習(xí)冊答案