Living in the country is less __1__(express) than living in the city. We need to reduce our ___2___ (depend) on oil as a source energy. The chairman emphasized his ideas by speaking more __3___(loud). Some American businessmen in China are spending a lot of time in _4__(learn) Chinese. Some people do believe that smoking will ___5___ ( certain )cause lung cancer. I ’ m __6__(real) sorry for the mistake our office worker made last month. Her __7___(beautiful) had faded over the years. The sellers allowed us to pay them on a ____8__(month) basis. It is ___9___(danger)for women to walk alone at night. I was impressed by the __10___(deep) and complexity of the book.