Do you know the _________about the writer? ———-Yes, he has _________for 2years.

Even today, poverty is still a big problem in the United States, ______ more than

I became a teacher ten years ______. I have been a teacher _______ 2008.

David lives on the ________ floor. It is too high, so he has to take a lift every day.

_____ is no possibility to visit the factory, for the rain is so heavy.