Ответ:

1. Where's Jacob? He might/could be upstairs or he may have gone for a walk.

2. I wonder how Katy learned to draw so well. She might/could have had lessons when she was young or she may have a talent for art.

3. Why is Paul in such a bad mood? He might/could have received a bad review or he may be tired.

Объяснение:

вроде правильно!!!!