Giải hộ (nếu đc thì giải thik hộ nhé: EX7. Viết các câu sau ở thể khẳng định (+), thể phủ định (-), thể nghi vấn (?) ở thì hiện tại hoàn thành. 1. (+) I have finished my homework. (-) ________________________________________________________________. (?) ________________________________________________________________? 2. (+) ________________________________________________________________. (-) My uncle hasn’t been to Singapore before. (?) ________________________________________________________________? 3. (+) ________________________________________________________________. (-) ________________________________________________________________. (?) Have they found their keys? 4. (+) Jim has just played video games with his brother. (-) ________________________________________________________________. (?) ________________________________________________________________? 5. (+) ________________________________________________________________. (-) My grandmother hasn’t visited me since November. (?) ________________________________________________________________? 6. (+) ________________________________________________________________. (-) ________________________________________________________________. (?) Has your sister studied Medicine for 2 years? 7. (+) It has been long since our last encounter. (-) ________________________________________________________________. (?) ________________________________________________________________? 8. (+) ________________________________________________________________. (-) We haven’t graduated yet. (?) ________________________________________________________________? EX8: Đặt những trạng từ trong ngoặc vào đúng vị trí của nó trong các câu sau đây: 1. I have had dinner with my family. (already) 2. Have you finished your report? You need to bring it to me before 9 a.m. (yet) 3. I haven’t done my homework. (yet) 4. My sister has left the party. (just) 5. Your mother has told you to come home early. (already) 6. Has the mouse gone? (already) 7. I have met her. (just) 8. The paiter hasn’t finished his work. (yet) EX9. Điền “for” hoặc “since” vào chỗ trống sao cho thích hợp. 1. I have learned Japanese _________ 3 months. 2. May 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 _________ months. 5. We have lived in the dorm _________ our first year at university. 6. Jim and Jane have known 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. EX10. Chia động từ trong ngoặc ở thì hiện tại hoàn thành. Jim: Hi, Jane. How are you? What (1. you/ do) ______________recently? Jane: Oh, hi Jim. It (2. be)______________quite a long time since we last talked. Well, I (3. work)______________for a non-profit organization. We are carrying out a project to help homeless people in our neighborhood. Jim: That sounds very interesting. (4. You/ have)______________any difficulties? Jane: Of course! Basically my colleagues and I are doing charitable work, so we rarely receive any financial support. We (5. provide)______________free food for the homeless people since last week. Moreover, the organization (6. recently offer)______________ jobs for those people. Jim: It is a meaningful job. I really admire you! How long (7. you/ work)______________there? Jane: Since the start of our summer holoiday. How about you? What (8. you/ do)__________ this summer? Jim: Not much. I spend my whole day reading and reading. So far, I (9. already finish)______________three books. My mother (10. tell)______________me several times to go out and try something new but I (11. not find)______________anything that suits me. Jane: Uhm, let’s see. How about joining our organization? We (12. look)______________for new volunteers for weeks. The organization (13. also plan)______________to have some voluntary programs to help disabled children. You can join and read books for the kids.I think it’s quite suitable for you. Jjm: That’s a nice idea. I will definitely consider it. By the way, I (14. plan)__________to have a party with friends. Would you like to come? Jane: I’d love to. When will you hold the party? Jim: I (15. not decide)______________yet. But I will call you soon.