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I'd be happy to help you with these exercises. **Exercise 1:** 1. It's horrible weather. It **has been raining** every day since we arrived. 2. I **have lived** in the same town all my life. I am very happy living here. 3. We went camping for two weeks. It **rained** for the first week. After that it was sunny every day. 4. Of course I **knew** the Millers. I was shocked when I heard that they had died in that accident. 5. We were at school together, but then we **lost** each other for years, not until her wedding. 6. I **grew up** in this neighborhood when I was a child. Now I live in the Glendale area. 7. Linda and I **haven't spoken** to each other since she stole my boyfriend from me. 8. Lisa and I only became good friends at university. I **didn't know** her very well at high school, even though we were in the same grade. 9. He **didn't clean** his apartment at all until he met Julie. Now he cleans it every day. 10. I have been working here for over a year, but I only **met** the boss for the first time today. **Exercise 6:** 1. Joji **had lived** in Tokyo for five years, but he left in 1993. (had lived) 2. When Young Hee was a child, she **lived** in Seoul. (lived) 3. Chika **graduated** from university last July. (graduated) 4. The Titanic **sank** in 1912. (sank) 5. Gerry **has fallen** off his bike three times this month. (has fallen) 6. Ouch! **I've cut** my finger! (I've cut) 7. I **have walked** to work every day for the last six weeks! (have walked) 8. Somebody **has stolen** my bicycle! Now I'll have to walk home. (has stolen) 9. I **lost** my key yesterday, so I couldn't get into the house. Eventually, I found it in my jacket pocket. (lost) 10. I **have seen** the movie Titanic three times. I'm going to see it again tonight. (have seen) **Exercise 7:** 1. Do you know that Miyuki likes Yoshi? - Yes, I saw them holding hands yesterday at lunch. [**did you know**] 2. What time **did you get** to school yesterday? - At 8.45! [**did you get**] 3. **Did you see** So-Yun in school yesterday? - No, she was off sick! [**did you see**] 4. **Have you finished** with the newspaper? - Yes, you can read it now! [**have you finished**] 5. **Did you watch** the football game on TV last night? [**did you watch**] 6. How long **have you lived** in Germany? - About 20 years. We really like it here! [**have you lived**] 7. Where **did Jo go**? I cannot find her anywhere. [**did Jo go**] 8. **Have you done** your homework? It's due in today. [**have you done**] 9. **Has it stopped** raining yet? I'd like to play tennis. [**has it stopped**] 10. Why **didn't you come** to school yesterday? - Because I had to look after my sick goldfish. [**didn't you come**] 11. How long **have you lived** in England? --For about 20 years. We came to Germany 9 months ago. [**have you lived**] 12. When **did you come** to Germany? In 1986. [**did you come**] 13. **Have you played** tennis since you came to Germany? [**have you played**] Giải thích: - Exercise 1 và 6 là các bài tập về thì quá khứ đơn và hiện tại hoàn thành. - Exercise 7 là các bài tập về thì quá khứ đơn và hiện tại hoàn thành, yêu cầu chia động từ trong ngoặc ở thì quá khứ đơn hoặc hiện tại hoàn thành.