Choose the best answers: 1. He was writing to his friend when he A. was hearing a noise. C. had heard D. hears B. heard many people since I came here in June. B. has met 2. I D. have met C. was meeting A. met maths at this time last week. B. are learning 3. We D. learnt A. were learning 4. She was playing games while he A. watched C. was learning a football match. D. watching C. was watching 5. She A. goes 6. Since we came here, we B. watches to Ho Chi Minh city last year. B. has gone D. went C. go a lot of acquaintances. C. have D. are having A. have had B. had he playing football now? B. Does 7. D. Is A. Will 8. Every morning, I often sit in my garden and A. listening 9. She C. Was to my nightingale sing. C. listened D. listens B. listen school when she was six. B. started A. start C. has started D. are starting TV when the telephone rang. B. was watching 10. I. C. are watching D. have wvatched A. watched 11. I don't understand this point of grammar. I wish I A. understood it better. B. would understand C. had understood D. understands