Ответ:

1.Your friend has been in Washington this year. Your friend was in Washington last year.

2.They left you a message today. They left you a message yesterday.

3.Mary called her friend last week. Mary called her friend this morning.

4.We booked a call with London last week. We will book a call with London this Sunday.

5.Did you buy a television guide yesterday? Have you bought a television guide today?

Объяснение: