Modal in school an proffesional context

1.   I ____________ (can / could) go alone to the school when I was 10.

2. 2. Where is Kevin? He _____________ (should / shouldn’t) attend to the teacher meeting.

3.   We are in the music class. You _______________ (mustn’t / cannot) play the dumps because Mr. Robin in explaining.

4.   In my opinion, they _______________ (ought to / may) join to the english club.

5.   Principals tell us, everyone ___________ (must / mustn’t) wear uniform formally.

6.   _________ (can / could) I speak to Miss. Perry, please?

7.   You __________ (mustn't/could/should/has to) listen to your teachers. They want the best for you.

8.   Sarah ________ (has to/should/can/could) play the saxophone better three years ago.

9.   It is danger! You ___________ (mustn't/may/can/has to) touch anything in the lab room.

10. 10. In the break, Susan ________ (can/may/could/has to) play chess really well.