单项选择题
A. no such thing as B. not such thing as C. no such a thing as D. not such a thing as
A. comrades-ins-arms B. comrades-in-arm C. comrade-in-arm D. comrades-in-arms
A. He often walked outside alone at night B. He decided to walk outside alone at night C. He seldom walked outside alone at night D. He would never stop walking outside alone at night