单项选择题
——What do you think of the report on the UFO？ —Great! Many students were interested in it and they kept on standing（）the end of the meeting.
A.until B.in C.on D.about
单项选择题 （）the bad weather，the swimming match had been put off.
单项选择题 Naturally，after I told her what to d0，my daughter（）go and do the oppsite!
单项选择题 Do you want to buy（）pork？
