----- Nội dung dịch tự động từ ảnh ----- Bài 6. Chọn đúng thì của các câu sau 1. I saw/ was seeing the accident when I was waiting for the taxi. 2. What were you doing/ did you do when I phoned? 3. They didn't visit/ weren't visiting their friends last summer holiday. 4. It rained/ was raining heavily last July. 5. While people were talking to each other, he read/ was reading his book. 6. Chris was eating/ ate pizza every weekend last month. 7. While we were running/ run in the park, Mary fell over. 8. Did you find/ Were you finding your keys yesterday? 9. Who was she dancing/ did she dance with at the party last night? 10. They were watching/ watched football on TV all day.