高等继续教育 / 专科英语II
正确率：100%
题型描述: 单选题
The monitor found it difficult to ＿＿＿＿＿＿＿ after such a wide ranging discussion. A. C.amount to
B.sum into
C.sum up
D.summon up
The monitor found it difficult to ＿＿＿＿＿＿＿ after such a wide ranging discussion. A. C.amount to
B.sum into
C.sum up
D.summon up
参考答案：