144.They came and gave us a( )( )as to the value of our house.

166.Pigeon is often considered a【n】( )of peace.

165.The past three decades ( )worldwide. great changes in people‘s clothing， food， housing and traffic

164.My 4-year-old son can easily( )between the fried chicken by KFC and that by McDonald‘s.

163.This article introduces us to a number of different( )of what stress is.

162.I work as an( )in that firm last summer.

161.The girl felt she was being( )but she couldn‘t see anybody behind her.

160.I( )hope your father will recover soon.

159.It was a very( )meeting; we made a lot of important policies.

158.They are( )that next year‘s profit will increase.

157.Many of his classmates( )to work in the countryside.