Đề bài : Put the verbs in past simple or present perfect. 
giúp mình với ạ 
----- Nội dung dịch tự động từ ảnh -----
7. (be/you) at school for 5 hours?
8. School (not / start).
9. He just (speak) to his boss?
10. No, he (håve / not).
1I) I (not do) my Maths homework yesterday
12). Susan (go)to England by plane when she went on her holiday?
13) They (not see) a farm since they turned into this road.
14) Jenny and Peggywent ther but they (not help) the disabled people.
15) The children (BE NOT) at home last weekend.
16) When You (design)this wonderful skirt? Two months ago
17) My mother (not find) the lost key so she is outside now.
18) The boys just (broke) the man's windows
19). You (phone ) to your aunt last week? No, because I (be) too busy at that time
20) When he (be)/a school boy, he (not like) to eat at school.
yet.
...the time yet.