题目

— New Year is at hand. Are you going home for the holiday? — I haven’t made up my mind. I ______go home, but it all depends A. must   B. need   C. may   D. will 答案：C 解析: 根据I haven’t made up my mind，应选may，表示较小的可能性。16．如图，在Rt△ABC中，∠ACB=90°，CD⊥AB，垂足为D，BC=2AC，则cot∠BCD=$\frac{1}{2}$．