OOВ Complete the sentences using Present Perfect or Present Perfect Continuous
Justin (cook) dinner for two hours now!
Maryalready(buy) a present for her mum.
They(plan) their holiday for the last two weeks
I (eat) a sandwich. I'm not hungry.
My sister (study) playing the piano since six years old.
Justin has been cooking dinner for two hours now!
Mary has already bought a present for her mum.
They have been planning their holiday for the last two weeks
I ate a sandwich. I'm not hungry.
My sister has been studying playing the piano since six years old.