高等继续教育 / 专科英语I
正确率：100%
题型描述: 单选题
It is not ＿＿＿＿＿＿＿ for me to return all the books to the library now because I still need some of them for my research.
A.difficult
B.sufficient
C.continuous
D.convenient
It is not ＿＿＿＿＿＿＿ for me to return all the books to the library now because I still need some of them for my research.
A.difficult
B.sufficient
C.continuous
D.convenient
参考答案：