单项选择题
The computer system（）suddenly while he was searching for information on the Internet.
A.broke down B.broke out C.broke up D.broke in
单项选择题 In（）, the northerners have a particular liking for dumplings while the southerners are fond of rice.
单项选择题 --Would you like something --（）?
单项选择题 The wild flowers looked like a soft orange blanket（）the desert.
