Chia động từ ở thì quá khứ đơn hoặc quá khứ hoàn thành

Bài 3: Chia động từ ở thì quá khứ đơn hoặc quá khứ
hoàn thành.
1. Tom..........
knew he
(give) me the book yesterday but I
(not read) it
2. When I arrived home I realized that I .....
(not phone) my grandparents
3. The postman .........
(leave) the office
4. When the old lady
she .........
into.
(return) to her flat,
............... (see) that burglars ................ (break)
5. My grandmother....
sandwiches when I .........
(come) after I ..............
….....
(make) some cheese
(get) home at 5.30
6. By the time Linda
(park) her car, her
boyfriend.................... (drink) two cups of coffee
7. I wondered where I ........... (see) him before
8. My dog......... (be) hungry because he
(have) nothing to eat since breakfast
9. I. (recognize) him because I ......
(see) his photo in the newspaper before
10. Margaret was upset because her husband
.... (forget) her birthday.