—Dave, it’s dangerous to swim here. Look at the sign. —Oh, I _______ it. Thank you.
#53938
A
didn't notice
B
won't notice
C
hadn't noticed
D
don't notice
推荐题目
Young people usually_________ city life to country life while old people _______ enjoy country life.
#60446
A
would rather; prefer
B
prefer; would rather
C
would rather; would rather
D
prefer; prefer
He wants ____________some vegetables. 
#53018
A
buy
B
buying
C
to buy
D
buys
This kind of computer ________ well. It ________ out soon.
#52232
A
sells; will sell
B
sells; will be sold
C
is sold; sells
D
is sold; will be sold