A: Listen! Is it Tina singing in the next room?
B: No, it __________ be her. She is still in Shanghai.
| A．can’t | B．couldn’t | C．may not | D．might not |
My mother asks us _______ fingernails long.
A. keep B. to keep C. not to keep
The old man didn’t have a rest ______ his son came back..
A. after B. until C. when
My mother always ______ clothes in the evening, but tomorrow she ______ them in the afternoon.
A. washes, washes B. washes, is going to wash C. washed, washes
We should keep our classroom _____.
A. cleans B. cleaning C. clean
They had a _______ rest yesterday.
A.3--hours B. 3--hour C. 3 hours