đề bài (complete the sentences with the correct form of the verbs in brackets)
1. I (not be )______________very happy yesterday
2. The people in the cafe (not be )_________________friendly when I was there yesterday
3. I (leave) _______________my school this morining
4. It (be)___________great film in 2001 
5. Our teacher (tell)_____________us to be quiet yesterday
6. I went to the shop but  I (not have ) _____________any money
7. Susan (not know )_________________about the exam and she did very vadly
8. I (buy)____________________a ticket for the football match yesterday