điền và giải thích thì em sẽ tick ạ !
2. Last night, at 6 p.m., I (have) ....................................... dinner when my son still (play) ....................................... basketball in the yard.
3. Mary last (eat) ....................................... pizza 2 years ago.
4. I (study) ....................................... hard before the exam.
5. Yesterday, I (be) ....................................... very tired as I (not sleep) ....................................... well for several days.
6. Yesterday at this time, we (listen) ....................................... to the speech of the principal.
7. We never (see) ....................................... such a beautiful beach before we went to Nha Trang.
8. I did not have money because I (not go) ....................................... to the bank.
9. I (leave) ....................................... this town two months ago.
10. Yesterday I (cook) ....................................... when my sister (wash) ....................................... the dishes.
11. Where he (put) ....................................... his wallet before leaving?
12. When we came into class the teacher (explain) ....................................... for 15 minutes.
13. By the time I met you I (get) ....................................... married for five years. 14. Last night, I (wash) ....................................... my hair when you (ring) .......................................
15. She ever (see) ....................................... a zebra before she visited the zoo last week.