(2014·湖南省邵阳市模拟)Some of us remain________at our computer for hours every day，forgetting moving our body.

Another bridge _____ at the end of 2012 over LiuYang River will benefit many people.

With so many problems____ , the newly-elected president had a hard time.

______ right in the center of the city, the park attracts a lot of tourists. 

— What’s the main purpose of tonight’s meeting?— We are going to talk about the problem _______ at the last meeting.