—Have you been to the United States?—Yes, only once. I ________ there only for seven days.
--- Do you know what Tom does all day ? ---- I know he spends at least as much time watching TV as he ____________his lessons.
---- They say Philip’s brother is a billionaire. ---- ____________? He wouldn’t accept any help from his brother, even if it were offered.
All classes of this school are______with modern______ .
________your help,how could I have passed the difficult interview!
Nowadays everyone is responsible for________a harmonious society in China.