Давайте разберёмся с вашим упражнением и раскроем скобки, используя подходящее время. Ниже приведены ответы на ваши предложения:
Is Andy here? - I don't know, I haven't seen him today. Are you going to the library?
Where are you going?
Would you like to borrow this magazine? - No, thanks. I have read it before.
Betty's bus arrives at 5 o'clock. I must go and meet her at the bus station.
Have you seen my record book?
I have been looking for it all the morning.
Mike has been talking to his friend for an hour already.
More and more forests are disappearing because of fires nowadays.
How long have you been working on this problem?
The first lesson does not finish at 9.45.
They are playing football tonight.
Linda is disappointed. She has failed her test.
School prepares children for life.
We are having a party next Saturday night. Will you come?
Are you trying to take photos? It's not allowed, you know.
Do you remember where he works?
Надеюсь, это поможет вам в подготовке! Если у вас есть дополнительные вопросы или вам нужно объяснить какой-то конкретный момент, не стесняйтесь обращаться. Успехов в учёбе!