His mother ___ in a hospital, but she ____ these days.
A. works, isn’t working
B. is working, works
C. is work, doesn’t work
— Why is your bedroom so dirty?
— Sorry, Mum. It ___________. I felt very tired after playing soccer.
| A．isn’t cleaned | B．didn’t clean | C．doesn’t clean | D．wasn’t cleaned |
—Did you ______that Nancy has been a littletoo quiet these days?
— Yes. She didn’t even say a word this afternoon.
| A．hope | B．notice | C．explain | D．decide |
— Oh, dear! There isn’t enough _____ for us in the lift.
— No hurry. Let’s wait for the next.
| A．floor | B．seat | C．room | D．ground |
—Can you sing or dance? —_____.
| A．Yes, I can | B．No, I can’t | C．I can sing | D．I like singing |
He _____ his homework on Sundays.
| A．doesn’t | B．don’ t do | C．doesn’t do | D．don’t |