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

() 5. —Mr. Xu,must we hand in our reports today? —No,you .

   A. mustn't   B. can't   C. shouldn’t   D. don't have to

() 4. There will be an important meeting tomorrow. You arrive on time.

   A. may   B. can   C. could   D. must

() 3. We stop when the traffic light turns red.

   A. may   B. must   C. could   D. can

() 2. It's the library!You shout here.

   A. may not   B. don't have to   C. could not   D. must not

() 1. Li Ping left his homework at home,so he return home for it.

   A. can   B. must   C. has to   D. had to

6. —Let's decide (start) the plan,Jim.

—How about next Monday?

5. 一Can you tell us (do) next?

—Sure. We’ll choose a person to host the party.

4. 一So many nice dresses here!

—Yes,but I don't know (buy) .

3. —Can you tell me how to choose courses,Miss Li?

—Oh sorry,but I can tell you (talk to) .

2. —Can you clear the table,please?

—Yes,but Im not sure (put) everything.