--- 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
Miss Jones _______ music at Bardon School for five years when she was abroad and now she is an actress.
#102222
A
taught
B
has taught
C
had taught
D
has been teaching
Enough______ to stop the forest______ since the 1980’s.
#104373
A
has been done;be cut down
B
has done;cutting down
C
has been done;being cut down
D
had done;from being cut down
---Now, have you finished your work yet?--- Yes, I _______ it when you came.
#102162
A
have finished
B
finish
C
had finished
D
would finish
The news came as no surprise to me. I _____ for some time that the factory was going to shut down.
#104998
A
had known
B
knew
C
have known
D
know