题目

You may depend___________it won’t happen again. A. that           B. on that     C. on it that       D. on it 答案：C 解析: depend on 意思是“依靠”，it形式宾语指代后面的that 从句。12．在区间[0，1]上随机选取两个数x和y，则满足2x-y＜0的概率为$\frac{1}{4}$．