-How about the book you are reading now?-Excellent indeed. You can find many problems we have come across __________ in it.
20. Could ______ that have a say in the decision do us a favor about the problem?
19. Which do you enjoy ______ you weekend, doing sports or watching TV?
18. She ______ stop whomever she met to tell the story about her Ah Mao.
17. ______, his idea was actually worth practicing.
16. He had already learned the news. I ______ the trouble to phone him about it.