Уточнение вопроса
Срочно даю 20 балов
Подробное решение
2. Haven’t you finished that book yet?
3. What has he been doing all night?
4. Has that singer made any CDs yet?
5. I haven’t started my homework yet.
6. He has cleaned four rooms this morning!
7. It has been raining for days – will it ever stop?