Oxford Discover 3 - Unit 18: Why do we explore? - Lesson 2

<p><strong>1. Ôn tập từ vựng:</strong></p><p>goggles, kelp, penguin, squid, otter, coral, humpback whale, dolphin, leafy sea dragon, octopus.</p><p>&nbsp;</p><p><strong>2. Grammar:</strong></p><p>Want to / Need to / Have to<br>- Use want to when you have a choice to do something.<br>- Use need to or have to when you don't have a choice. You must do it.<br>Example:&nbsp;</p><p>Cousteau wanted to stay underwater longer.<br>He needed to (had to) use the Aqua-Lung to stay underwater</p><p>&nbsp;</p><p><strong>3. Speak:&nbsp;</strong></p><p>Talk with your partner about what you have to / don't have to do on a camping trip.<br>wear warm clothes/ cook food on a fire/ have a tent/ take a first-aid kit/ take a flashlight/ play the guitar<br>Example:&nbsp;</p><p>Do you have to wear warm clothes when you go camping?<br>Yes, you do. It gets cold at night<br><br><strong>BTVN:</strong></p><p>- Con ôn lại <strong>từ vựng và ngữ pháp đã học</strong></p><p>- COn làm bài tập sách <strong>Workbook trang 166 - 167</strong></p>