--Peter has passed the driving test already.--Really?I___.A.didn't know B.haven't known C.don't know D.hadn't known
问题描述：
--Peter has passed the driving test already.--Really?I___.
A.didn't know B.haven't known C.don't know D.hadn't known
答
b
答
A
A一般过去时表示过去的动作和状态.通过和对方的对话现在已经知道了,所以只是过去不知道
B现在完成时涉及到对现在的影响,如果选择B 则说明及时和对方说完话仍然不知道.那不是傻吗
C一般现在时,也表示现在仍然不知道
D过去完成时也是对现在的影响.