Complete the sentences with''since'' or''for'' 1. I have learned Japanese....3 months. 2. My has been working for a non-profit organization.....I graduated. 3. Kim has been unemployed....half a year. 4. I miss my friend. I haven't seen her....month. 5. We have lived in the dorm.....our first year at university. 6.Jim and Jane have know each other.....quite a long time. 7. The baby's hungry. He hasn't eaten anything.....the morning. 8.Have you used this laptop....4 years. 9. They've been close friends....they started college. 10. My grandmother has been a vegetarian.....several years. Giúp em với ạ Cảm ơn rất nhiều