Hãy chọn đáp án đúng
1. how fast ( did you drive/ were you driwing) when the accident ( happened/ was happeing) ?
2. Anna and sisan ( made/ were making) dinner when Martin ( arived/ was arring) home
4. the light( went out/ was going out) while we ( had/ was having) dinner. But it ( came/ was coming) on again after 10 minutes
5 what (did you do/ werw you doing) this time yesterday?
- I ( worked/ was warking) on the computer
6. It suolcd enly ) began/ was beginning) to rain while laura ( sat/ was sitting) in the garden
7. Sam ( took/ was taking) a photograph of me while I ( didn't/ wasn't looking)
8 when I ( saw seeing) them thay ( tried/ were trying) to find a new house near their work
 CỨU TUI VỚI, CẦN GẤP!!!