I ____you yesterday afternoon ,but you ____at home .
| A．call ,aren’t | B．am calling ,aren’t | C．called , weren’t | D．calls, weren’t |
– Excuse me. I have a complaint about the coffee bought on tmall.com.
– ______
| A．I don’t think so. | B．That’s all right. | C．Really? | D．What’s the trouble? |
We students ______ our parents for food and clothes.
| A．depend on | B．live on | C．deal with | D．communicate with |
– ______ do I have to take the medicine?
– Three times a day, after meals.
| A．How long | B．How far | C．How often | D．How soon |
Actions ______ be taken to stop H7N9 from spreading again.
| A．must | B．may | C．can’t | D．needn’t |
She won’t lose weight______ she keeps a diet and takes exercise every day.
| A．unless | B．if | C．because | D．since |