—It’s dangerous to swim here. Look at the sign!
—Oh, I _______ it.
| A．didn’t notice | B．don’t notice |
| C．hadn’t notice | D．haven’t notice |
相关试题
— Do you know why he left so early?
—_______for the English test, I guess.
| A．To study | B．Study | C．Studied | D．Studying |
— I think your father is very busy.
—So he is._______ he still takes a walk with us sometimes.
A. So B. And 
C. Or d. But
— May I speak to Mr Morgan?
— Sorry. He______on the farm.
| A．works. | B．worked |
| C．is working | D．has worked |
— You like listening to Sally's songs, don't you?
—_______.She has a sweet voice.
| A．Yes. I do | B．Yes, she does |
| C．No, 1 don't | D．No, she doesn't |
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