Mr.Li’s question seemed to answer.Few students in his class put up their hands.
—Mum, have you seen my U-Disk? —_______ you bought last Sunday? I'm-afraid I haven't seen _______.
I smoke out of ______ habit, not for ______ pleasure; for I have been in the habit for more than twenty years.
______ his body and soul to bringing up-to-date technology and International attention to China's Aids problem, Dr David Ho, born in Taiwan, spent little time with his family.
Mr.HoffTman, aged over 60, has recently _______playing golf at the weekends.contributing to his rosy face.
—Why do you always lie to our mother you love her cooking? —It's only a white lie, so _______.