Выручайте добрые люди, с последним , нужно. буду сильно . заранее огромное. выберите правильное наречие или обстоятельство. 1) i have been working . a) every day, b) for 2 hours, c) now, d) yesterday. 2) the boy has finished his work. a) just, b) in the morning, c) tomorrow, d) now. 3) the sisters did their morning exercises . a) at this moment, b) since morning, c) already d) 2 hours ago. 4) they were watching the experiment . a) now, b) since 2 till 4, c) today, d) by 2 o'clock. 5) he can have done it . a) yesterday, b) every day, c) at this moment, d) since morning.