单项选择题
The High Street is so narrow that the local government has decided to（）it.
A. increase B. lengthen C. widen D. extend
单项选择题 If I knew more English, I（）for this position.
单项选择题 The teacher had the monitor （） the papers.
单项选择题 Although he had stayed in that business for two years, （） he still wanted to switch to a different career.
