# Unit 10: They've found a fossil

> Từ vựng và mẫu câu Unit 10 (They've found a fossil), Explore English 8: … has/have … since/for … / Have you … yet? / already / … was found in ….

Source: https://olyclass.com/library/tb-explore-english-g8-u10/

- Subject: English
- Level: A2
- Textbook unit: 16
- Play it free on one screen (projector, TV or whiteboard): https://olyclass.com/library?play=tb-explore-english-g8-u10
- Copy and edit it: https://olyclass.com/library?copy=tb-explore-english-g8-u10
- Games it plays well in: [Claw Machine](https://olyclass.com/classroom-games/claw-machine/), [Tile Grab](https://olyclass.com/classroom-games/tile-grab/), [Dare Board](https://olyclass.com/classroom-games/dare-board/), [Lucky Wheel](https://olyclass.com/classroom-games/lucky-wheel/)

## Words in this game

- **fossil**: The boy found a fossil on the beach.
- **dinosaur**: The dinosaur was very big.
- **paleontologist**: A paleontologist studies old bones.
- **expert**: My aunt is an expert on birds.
- **stripe**: My shirt has a red stripe on it.
- **roar**: The lion can roar very loudly.
- **scan**: The doctor will scan the bone today.
- **desert**: It is hot and dry in the desert.
- **Sahara**: The Sahara is a very large desert.
- **discovery**: The new discovery made everyone happy.
- **hunt**: Some animals hunt at night.
- **robot**: The robot can walk and talk.

## Questions

1. They have lived here ___ ten years. (ago / for / since / yesterday)
   Answer: for
2. She has studied fossils ___ 2020. (ago / during / for / since)
   Answer: since
3. I have ___ finished my homework, so I can play. (already / for / since / yet)
   Answer: already
4. The dinosaur bone ___ in the desert last year. (finds / found / has found / was found)
   Answer: was found