... hướng dẫn kết nối bảo hành, bảo đảm Lesson 1: Getting started - Listen Unit 15: COM PUTERS and read Lesson 1: Getting started - Listen II, Listen and read Who says What? Mr Nhat says: Nam says: ... under guarantee and the company should something Do Guess Do √ √ √ √ √ √ Wednesday, March 30th, 2011 3, Listen and read Unit 15: COM PUTERS Lesson 1: Getting started - Listen and read Nam : Dad,the ... 30th, 2011 Unit 15: COM PUTERS and read Lesson 1: Getting started - Listen Grammar: The Present perfect with “yet” and “already” Example: S1: Have you turned it on yet? S2: Yes, I have already done...