Ответ:
1. The rain has stopped but a cold wind is still blowing.
2. We have already solved the problem.
3. He came a moment ago.
4. I have never spoken to him.
5. He has just finished his work.
6. Have you made any spelling mistakes in your dictation?
7. When did you meet him?
8. How many mushrooms have you gathered?
9. Where have you put the newspaper? I want to read it, but cannot find it anywhere.
10. I haven’t seen my cousin since last year.
11. Why have you left the door open? You will catch cold sitting in the draught.
12. When did it all happen?