单项选择题
We lived on a（）when my wife studied in Oxford. It is quiet there, so very suited for a student.
A.main road B.side street C.motorway D.junction
单项选择题 I don't want you to make any trouble,（）, I urge you to solve the problem.
单项选择题 We have kept（）our friendship by writing to each other, so we are true friends.
单项选择题 We failed in our（）to climb the mountain.
