1 курс - Ex. 11. 

1.                 What were you doing when I came in?

2.                 When I came to his house, they told me that he had left an hour before.

3.                 On checking up his answers he found out that he had made several mistakes.

4.                 When I left home, the snow had already stopped, but a strong wind was blowing.

5.                 Have you read this book? – Yes, I have read it. I think it is very interesting.