下边漫画《养老公平》表明
I feel tired, but I don’t want to stop _______.
I _______ 2 hours finishing my homework last weekend.
----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.