----- Nội dung dịch tự động từ ảnh ----- Bài 1: Cho dạng đúng của động từ trong ngoặc ở thì quá khứ hoàn thành.
1. Before hanging out with friends, Jim (do) ________ his homework. 2. Peter told me that he (already finish) ________ reading 'Harry Porter'. 3. Mary said she (never be) ________ to Paris before. 4. When we came to the movie theater, the film (start) ________. 5. Where ________ (Jim/be) before you found him? 6. Peter (travel) ________ to 5 foreign countries on business trips before he retired. 7. My mother (write) ________ me a note before she left for work. 8. I wish I (not attend) ________ that meeting. 9. Jim (read) ________ all his books before he bought a new one yesterday. 10. (you/clean) ________ your room before you went out?