1. When his wife (arrive) arrived home, Charlie (watch) was watching television. 2. Julie (prepare) was preparing dinner when the telephone (ring) rang . 3. What (you do) were you doing when the postman (arrive) arrived ? 4. Emma (learn) learned to drive when she (work) was working in London last year. 5. Where (you sit) were you sitting when the show (begin) began ? 6. Alex (visit) visited Athens when he (tour) was touring Greece last year. 7. The old lady (fall) fell when she (cross) was crossing the street. 8. What (you see) were you seeing while you (wait) were waiting for the bus? 9. In what direction (drive) drove when your car (break) was breaking down? 10. Amanda (meet) met Peter when she (walk) was walking through the park.
1 câu trả lời
1. arrived - was watching
2. was preparing - rang
3. were you doing - arrived
4. learned - was working
5. were you sitting - began
6. visited - was touring
7. fell - was crossing
8. did you see - were waiting
9. driving - broke
10. met - was walking
Cấu trúc: một hành động đang diễn ra thì bị một hành động khác làm gián đoạn thường có ''when'' thì hành động đang diễn ra dùng thì quá khứ tiếp diễn, hành động xen vào dùng thì quá khứ đơn.
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