—It’s dangerous to swim here. Look at the sign!—Oh, I _______ it.
#36498
A
didn’t notice
B
don’t notice
C
hadn’t notice
D
haven’t notice
推荐题目
If he ________harder , he will catch up with us soon .
#38550
A
study
B
studies
C
will study
D
studied
While I ___________ TV, the bell rang.
#42227
A
watch
B
watched
C
am watching
D
was watching