— Have you seen my email about our TESL project?
— Yes. Luckily, I checked my emails yesterday. Normally, I my email-box for days.
A. haven’t opened
B. didn’t open
C. hadn’t opened
D. don’t open
网友回答
A. haven’t opened
B. didn’t open
C. hadn’t opened
(答案→)D. don’t open
解析：可联系客服索取此答案。