— 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 |
I think collecting stamps ________ the least time.
| A．takes up | B．puts up | C．gives up | D．makes up |
—Does Mary only have an apple for breakfast? —Yes, she eats like a bird to________.
A.wake up B.be strong C.lose weight C.fall asleep
You bought a new computer last week, _____ you?
| A．aren’t | B．don’t | C．didn’t | D．haven’t |
If he _____ on time, we will go without him.
| A．doesn’t come | B．don’t come | C．didn’t come | D．comes |
When my father got home, I ______ a letter to my friend.
| A．write | B．am writing | C．wrote | D．was writing |