高等继续教育 / 专科英语II
正确率：100%
题型描述: 单选题
His book was much better than similar books ＿＿＿＿＿＿＿ before him.
A.writing
B.having written
C.being written
D.written
His book was much better than similar books ＿＿＿＿＿＿＿ before him.
A.writing
B.having written
C.being written
D.written
参考答案：
佳题速递：