Exercise 3. Underlined the correct alternative: Gạch chân từ thay thế đúng 1. If you want to hear the news, you can read paper/ a paper. 2. I want to write some letters but I haven’t got a paper/ any paper to write on. 3. I thought there was somebody in the house because there was light/a light on inside. 4. Light/A light comes from the sun. 5. Can you take my luggage/luggages upstairs, please? 6. Sue was very helpful. She gives us some very useful advice/advices. 7. It’s very difficult to find a work/job at the moment. 8. I had to buy a/some bread because I wanted to make some sandwiches. 9. Bad news don’t/doesn’t make people happy. 10. Your hair is/ your hairs are too long. You should have it cut. CHÚ Ý: Một số từ là các môn học luôn có đuôi –s nhưng là danh từ không đếm được, coi như số ít: physics (vật lý), economics (kinh tế học), politics (chính trị học), ethics (đạo đức); và news (tin tức)