Đặt động từ ở dạng đúng: Quá khứ đơn hoặc quá khứ tiếp diễn: 1.When Mrs.Golan (open)....................the door, her children (do)................their homework and her husband (read)......................the newspaper.
2.What (you/do)................................yesterday at half past eight in the morning?
-I (study)................................at school 3.When(he/arrive)....................................to the meeting last time?
4.(They/paint)...................................the walls when your mother (come).............in? 5.While Dan(fix)......................the chairs his sister ,Ronda (work).....................in the garden 6.They(watch)...................television when their mother (come).................back 7.While mother (hang ).............the clothes,her two daughters(wash)...................the dishes 8.Tom(water).........................the garden when it(start).................to rain 9.She (talk)..............on the phone , when I (arrive)..................................... 10.I (read)....................a book when you (call)...............me