问题补充:
Will you be able to finish the job this week? .
A. I can say it
B. I don know that
C. Im not sure this
D. I don expect so
答案:
A. I can say it
B. I don know that
C. Im not sure this
(答案→)D. I don expect so
解析:I don 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 hope so.