# Unit 4: All things high-tech

> Từ vựng và mẫu câu Unit 4 (All things high-tech), Right on! 7: You must … / You mustn't … / You have to … / You don't have to ….

Source: https://olyclass.com/library/tb-right-on-g7-u04/

- Subject: English
- Level: A2
- Textbook unit: 16
- Play it free on one screen (projector, TV or whiteboard): https://olyclass.com/library?play=tb-right-on-g7-u04
- Copy and edit it: https://olyclass.com/library?copy=tb-right-on-g7-u04
- Games it plays well in: [Prize Climb](https://olyclass.com/classroom-games/prize-climb/), [Hot Seat](https://olyclass.com/classroom-games/hot-seat/), [Sentence Race](https://olyclass.com/classroom-games/sentence-race/), [Hoop Shot](https://olyclass.com/classroom-games/hoop-shot/)

## Words in this game

- **game console**: My brother plays on the game console.
- **tablet**: She reads a story on her tablet.
- **software**: This software helps me draw pictures.
- **upload**: I upload my photos to the website.
- **file**: I saved the file on my computer.
- **social media**: Many teenagers use social media every day.
- **platform**: This video platform has many funny clips.
- **design**: I want to design a new robot.
- **repair**: My uncle can repair old phones.
- **fix**: Dad can fix my bike.
- **explain**: Can you explain this game to me?
- **rule**: The first rule of the game is easy.

## Questions

1. In class, you ___ shout. It is not allowed. (don't have to / have to / must / mustn't)
   Answer: mustn't
2. Safety rule: You ___ ask a teacher before you upload a photo. (can't / don't have to / must / mustn't)
   Answer: must
3. Sunday is free. You ___ get up early. It isn't necessary. (don't have to / have to / must / mustn't)
   Answer: don't have to
4. Our tablet is broken. We ___ fix it before the lesson. (can't / don't have to / have to / mustn't)
   Answer: have to