----- Nội dung dịch tự động từ ảnh ----- 3: Rewrite the following sentences with the given informat (BIẾN ĐỔI THÌ) HTHT 1. It's 4 years since I last met to Nam. →I..... →I..... 2. She has never seen a ghost before. →This /It is the ... 3. She began to learn English 8 years ago. → She has 4. He has worked in this company since 2009. → She started ***** 5. Mary hasn't written to her sister for 9 months. → It is 9 3