--WhereisTom?--Well,he

问题详情：

--Where is Tom?

--Well, he _________ you _________ here. Otherwise he would come down right now.

    A. didn't know; were                   B. hasn't known; are

    C. doesn't know; are                   D. hadn't known; were

【回答】

知识点：一般现在时及其被动式

题型：选择题