With economy getting worse,we have reached the point________we have to cut down our daily expenses.
_____ got on the train when it began to move.
---When did you move to Beijing? ---Last year. But I _____ in a school in Japan for 8 years.
How can you expect to learn anything _____ you never listen?
---- Is everyone here? ----Not yet…Look, there _________ the rest of our guests.
One-third of the country ________ covered with trees and the majority of the citizens _______ black people.