问题
I’m sorry,but there’s no smoking on this flight.—Oh,I _______ that.Sorry, I won’t again
A:don’t know
B:didn’t know
C:won’t know
D:haven’t known
B:didn’t know
C:won’t know
D:haven’t known
正确答案是：
同类题型
That’s the newmachine ______ parts are too small to be seen
Lucy’s new job paid twice as much as she had madeinthe restaurant
Animals don’t like ______ cages.
______ of the land in that district _______ covered with trees and grass.[ ]
azon and Wall Mart are popular websites ______ people can sell goods to eachother