--- Nancy? You have straight hair ! --- Yeah, it _____ be curly.
----Look at the boy running on the playground. Is it David? ---- It ______ be him. I saw him go to the teachers’ office just now.
--- What did the policeman say to you, Liu Ying? --- He told me ______ my purse in the bicycle basket. It’s too dangerous.
I _______ in London, but now I live in New Yorker.
—I think classical music is pleasant. —_______ I think it’s boring.
Michael is fond of _______, but I prefer _______.