Question

Помогите пожалуйста с 4, ничего не понимаю)​

Answer 1

A) Mr Jones has been worked for my father for 15 years
B) Juliette started to teach at school in 2009
C) Girls asked the teacher some questions
D) Christofer wanted to buy the iPod yesterday
E) Mathew traveled to Germany 3 weeks ago
F) Hector has been understood the problems already
G) Alice drank a glass of orange juice
H) She hasn’t been washed her hair this morning
I) Nuria enjoyed the school play last Saturday
J) Lawrence took the books the library