高等继续教育 / 专科英语II
正确率：100%
题型描述: 单选题
They _ _ _ _ _ _ a general understanding of the present situation.
A. are in lack
B. lack
C. lack of
D. are lacking of
They _ _ _ _ _ _ a general understanding of the present situation.
A. are in lack
B. lack
C. lack of
D. are lacking of
参考答案：
佳题速递：