7 класс Pres. Perfect и Pres. Perfect Cont. Помогите плиз :с Put down the right form of...

Question

7 класс Pres. Perfect и Pres. Perfect Cont. Помогите плиз :с Put down the right form of the verb in brackets. Choose between Present Perfect Simple and Present Perfect Continuous. They .........their car since morning. (repair)

Answer 1

They repaired their car since morning.

не знаю что правильно, или нет

Answer 2

Правильный вариант: They have been repairing their car since morning.