UNIT 1 TO UNIT 3I. HÃY CHỌN MỘT TỪ CÓ PHẦN GẠCH DƯỚI ĐƯỢC PHÁT ÂM KHÁC...

20.Tim________ his hair while I ________ up the kitchen

A. washed-was cleaned B. was washing-was cleaning

C. was washing-cleaned D. washed-cleaned