Choose the correct verb forms to complete the sentences. 1 Why have you switched off / beеn switching off the сomputer? Ithink I've found / been finding a good artice aboue space discovery. 3 They've studied / been studying the galaxy forsic months now. 4 Нave you finished / Have you been finishing that bnok about the solar system yet? 5 Scientists haven't discovered / haven't been discouenine the nature of these satellites yet. 6 Look at Jenny! She's painted / been painting and she's covered in paint! 7 Why have you sat /been sitting in front of your computer all day? 8 Ive read /bееn reading Tim's book about the Voyager space probe: I'Llend it to you when I've finished it​

LindSayWoW    3   17.02.2021 17:59    4