B. BAÌ TẬP : I. . Use 'who',which','that',or'whose',to complete each of the sentences to complete each of the sentences. 1. People ____ ____ work involves using a computer for most of the day may suffer from headaches. 2. Mr Xuan Truong, _____ ______ was my first teacher, received an award for teaching excellence. 3. That's Peter, _____ _____ father has just come back from the Philipines. 4. That media player, _____ _____ I often use to practise English, has some great apps. 5. The house _____ ______ my father built is big. 6. The woman ______ ____ you have just spoken to is my favourite English teacher. II. . Complete the sentences with the following given words. digital personal mobile technology electronic applications 1. My son, who is a promising pianist, is now interested in composing _____ ______ music. 2. Please don't ask him questions about his family. He hates answering ______ ____ questions. 3. The phrase ‘_________ natives' refers to people who are familiar with computers and the Internet from an early age. 4. I'm looking for some new ____ ___ to put on my smartphone to improve my English pronunciation. 5. That laptop, which has the latest _____ _____, is very expensive. 6. People are now familiar with the term m - learning or ____ ____ learning, which focuses on the use of personal electronic devices.