注意：此页面搜索的是所有试题
题目内容
（河套大学-大学英语二）
16. (单选题) His success was due to _______ he had been work hard.(本题3.5分)
A、 that
B、 the fact which
C、 the fact that
D、 the fact of
A、 that
B、 the fact which
C、 the fact that
D、 the fact of
参考答案