一Middle school students don’t know much about shopping online, _______ they?
一 _______. It’s very popu]ar with teenagers.
| A．do；No | B．do; Yes | C．don’t; NO | D．don’t; Yes |
Mike __________ live in London, but now he works in China.
| A．is used to | B．used to |
| C．was used to | D．gets used to |
— Do you know the film Big Hero 6?
— Sure. I like it very much and I __________ it three times since it was on.
| A．see | B．saw |
| C．have seen | D．am seeing |
I saw the dog along with a girl ______was the only guide dog in our city.
| A．who | B．which | C．whom | D．What |
— Ben, _________ up. The worst is over.
— Thank you. I hope so.
| A．cheer | B．cheers |
| C．is cheering | D．to cheer |
The water in rivers is even_________ than before. Something must be done now.
| A．dirty | B．dirtier |
| C．more dirty | D．Dirtiest |