Question

Выручайте пожалуйста добрые люди, помогите с последним заданием, очень нужно. Буду очень сильно благодарен. Заранее спасибо 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.

Answer 1

1) I have been working ... .  b) for 2 hours.
2) The boy has ... finished his work. a) just.
3) The sisters did their morning exercises ... . d) 2 hours ago.
4) They were watching the experiment ... . b) since 2 till 4
5) He can have done it ... . d) since morning.