Do you think zoos are good for animals (yes) or bad (no)?
1-a, 2-a, 3-a, 4-a, 5-a, 6-an, 7-a, 8-a, 9-an, 10-a, 11-a, 12-a, 13-an, 14-a, 15-a, 16-a, 17-a, 18-a
Three bedrooms and one living room
1 David lived in Boston two years ago.
2 Chris was in the museum yesterday.
3 The lessons started an hour ago.
4 He wrote poems last week.
5 I saw a big dog in the yard last Sunday.
6 Frank got up at six o'clock last Monday.
7 They watched an interesting film on TV last Tuesday.
Например,в be можно взять am is are-это в настоящем времени:I am a student -я учиница
а were, was это прошедшее:I was a student-я была ученицей