1.Chia động từ ở thì quá khứ hoặc quá khứ tiếp diễn: A.The little boy...(fall) as leep while his mother...(read) him story. B.I really enjoyed my holiday last January. While it...(snow) in lowa, the sun...(shine) in Florida. C.While Ted...(slovel) snow his driveway yesterday , his wife...(bring) him a cup of hot chocolate.