chia quá khứ tiếp diễn hoặc quá khứ đơn
1, My brother and sister __were talking_____( talk )about something when I __walked_____(walk) into the room.
Tom went to his friends ‘house, but the boys ____weren't_______________ (not be) there. They (play)____were playing_________soccer in the vacant lot down the street.
2, The little boy ___was falling___(fall) asleep while his mother__was reading__ (read) him a story.
3, I really enjoyed my holiday last January. While it_____was snowing__________(snow) in Iowa, the sun _______was shining_______ (shine) in Florida.
4, While Ted ____was shovelling___ (shovel) snow from his driveway yesterday, his wife __was bringing_____ (bring) him a cup of hot chocolate.
5, John ___had_____(have) a car accident last week. He ___was driving____(drive) down the street when suddenly a lorry _____hit____________ (hit) his car from behind.
6. Ten years ago, the government ___decided__ (decide) to begin a food programme. At that time, many people in the rural areas ____were strarving___(starve) due to several years of drought.
7. They ___were waiting__ (wait ) for me when I at the station __arrived___(arrive)
8. She __was swimming___(swim) in the sea when I __saw____ her (see)