Will you be able to finish the job this week? .
A. I can't say it
B. I don't know that
C. I'm not sure this
D. I don't expect so
网友回答
A. I can't say it
B. I don't know that
C. I'm not sure this
(答案→)D. I don't expect so
解析：I don't expect so.= I expect not. 能这样使用的动词还有 Believe, think和 suppose;而在hope等动词后，否定形式只有 I hope not.不能说 I don't hope so.