--- I’m sorry, but there is no smoking on this flight. --- Oh, I _________ that.Sorry, I won’t again.
#103054
A
don’t know
B
didn’t know
C
won’t know
D
haven’t known
推荐题目
—What a mistake!—Yes. I________his doing it another way, but without  success.
#99176
A
was suggesting
B
will suggest
C
would suggest
D
had suggested
When _____ the letter, tears came to her eyes.
#101827
A
she was reading
B
reading
C
she reading
D
read