高等继续教育 / 大学英语语法
正确率：100%
题型描述: 单选题
Alan talks ＿＿＿＿＿ everything.
A.as if he has known
B.as if he knew
C.as if he will know
D.as if he knows
Alan talks ＿＿＿＿＿ everything.
A.as if he has known
B.as if he knew
C.as if he will know
D.as if he knows
参考答案：