---I’m sorry, but there is no smoking on this flight.---Oh, I _____that. Sorry, I won’t again.
#100228
A
don’t know
B
didn’t know
C
won’t know
D
haven’t known
推荐题目
Large quantities of fish _______ in the river in the past few days.
#103854
A
were caught
B
was caught
C
has been caught
D
have been caught
Why don’t you try on this jacket? It ____ nice on you.
#100701
A
looks
B
looked
C
will look
D
has looked
The mayor says that the new hospital ____________by the end of 2011.                        
#102615
A
has been completed
B
has completed
C
will have been completed
D
will have completed