----- Nội dung ảnh ----- Bài 1: Chia động từ trong ngoặc ở thì quá khứ tiếp diễn 1. At 7 p.m. last night, we (have) __________ dinner. 2. When I (walk) __________ to school, it started to rain. 3. While she (read) __________ a book, her brother (watch) __________ TV. 4. They (play) __________ tennis when I saw them. 5. I (study) __________ for my exam all night long.
