Shanghai is one of _______in China.
Doctor Fang has devoted all her time to _______ the patients.
---Mr Wu, who will be the new monitor of our class?---well, I haven’t decided. _______Suzy _______Millie, who is more suitable?
Daniel is good at all the subjects ,but he never shows off, he is really _________
In old days, the bosses often made the workers __________ for long hours.
Samuel is an ________person, he often helps teachers _______all kinds of activities.