В следующих предложениях укажите продолжительность действия, используя форму Present Perfect Continuous
1) Ann is making notes. She ... for ten minutes. 2). The girls are reading in the college library. They ... since nine o'clock. 3) It is raining. It ... since the morning.
Answers & Comments
They have been reading in the college library since nine o'clock.
It has been raining since the morning.