1. Our work will be completed next week.
2. We are students.
3. Hard work is a guarantee of success.
4. The train was late yesterday.
5. He is not at home now.
6. Which party was in power in Great Britain ten years ago?
7. My aim is to master two foreign languages.
8. Our students were in London lst year.
9. We were in Moscow in two days.
10. Soon this book will be translated into English.
11. When i met my friend i was going to the Crimea.
12. The students were in the reading hall before the lessons.
13. He is a student now.
14. They were students last year.
15. Next year he will be here, now he works in the Far East.
Объяснение:
1) Who has been waiting for our mum since 5 p. m.?
2) Since when have we been waiting for our mum?
3) Have the girls been playing tennis since 11 a. m.?
4) Have we been learning English for six years?