I have to buy _________of the two books because I don’t know which to choose.
The boy _______ in Xinjiang for five years when I heard his news.
--- Long time no see!--- I’ve just returned. I _______ to Beijing for a meeting last month.
With the money _______ he saved, he could go on with his education.
---When did MH370 disappear from radar?--- At 1:30 a.m.______ the morning of March 8.
_____ of the workers in this factory is about five hundred. ______ of them are women.