1. Hardly any rivers are left unpolluted in the world
2. To our surprise, the man has a good command of Portuguese
3. Had he been more patient, he could have beaten Raphael
4. On account of his irresponsibility, he cannot complete most of the assignments
5. Frederick is so talented an artist that most critics look up to him
6. I would rather you had paid your grandma a visit when you were in town
7. Many children around the world couldn't wait to see the blockbuster Kungfu Panda II
8. The little girl's face failed when she received the news
9. Theirs was a good preparation despite their lack of time
10. Her second novel is less interesting in comparison with her first one