当你的老师向你介绍一位新同学时,你应对你的新同学说:________________________
---_______ do you write to your e-friends? --- Almost twice a month.
It is really crazy ________ Peter to let his ________ son swim alone in the river.
My father has a habit of jogging ___________ the river in front of my house for an hour in the morning.
Lisa is _________ exchange student from Britain, but she knows a lot about China.
When I hear the name of Taiwan, I can’t help _____ Mount Ali and Sun Moon. A. thinking over B. thinking of C. thinking about