In communication, a smile is usually ______ strong sign of ______ friendly and open attitude.
Women _______ drink more than two cups of coffee a day have a greater chance of having heart disease than those ________ don’t.
I was fortunate enough to travel to South Africa, I met some women who have organized themselves into a group.
(湖南省雅礼中学2009届高三第七次月考 )The film brought the hours back to me __________ I was taken good care of in that far-away village.
It was the training he had as a young man made him such a good engineer.
(大连市高三双基测试卷)Could you tell us ______ happens when one student in class expresses a personal opinion _______ maybe offends other students?