----- Nội dung dịch tự động từ ảnh ----- Viết lại câu: Dạng 1+2 Rewrite the sentences 1. My mother has never traveled by plane before. > This. . 2. The boy started to fly a kite 25 minutes ago. > The boy has.. 3. It's the first time the boy has riden a horse. > The boy has.. . .......... 4. They've worked for this company since 2018. > They began 5. Hung has lived with his grandparents since he was 5 years old. > Hung has. . 6. This is the first time he's attended a Vietnamese festival. > He hasn't... 7. We have been friends for ten years. → We started... 8. The children have never played water polo before. > This...