----- _______ in the workshop. Please stop it.
----- Sorry. I________.
A. Smoking is not allowed, don’t know B. Not smoking, an not sure
C. Don’t smoke, have no idea D. Smoking is forbidden, didn’t know
----- _______ in the workshop. Please stop it.
----- Sorry. I________.
A. Smoking is not allowed, don’t know B. Not smoking, an not sure
C. Don’t smoke, have no idea D. Smoking is forbidden, didn’t know
D
"不知道" 是在对方告诉之前，故需过去时。