Viết lại câu sao cho nghĩa không đổi. 1.This is the first time Khanh went to Japan. ➔ Khanh hasn’t ____________________________________. 2. Uyen started learning 2 weeks ago. ➔ Uyen has _______________________________________. 3. My parents began drinking when it started to rain. ➔ My parents have _________________________________. 4. Tung last had his car repaired when I left him. ➔ Tung haven’t ____________________________________. 5. When did she have it? ➔ How long _______________________________________? 6. I haven’t seen my grandfather for 2 months. ➔ The last _________________________________________. 7. Gin hasn’t taken a bath since Tuesday. ➔ It is _____________________________________________.