All the ingredients are in the bowl. Please mix __.
| A．it up | B．up it | C．up them | D．them up |
China is developing _________ of all the countries in the world．
| A．fast | B．faster | C．fastest | D．the most fast |
A moment, please．I'm checking if Mr. Smith _________ free tomorrow．
| A．is | B．being | C．to be | D．will be |
—Is Jessica giving us a speech this evening?
—No, it _________ be her．She _________ to Japan．
| A．mustn't；has gone | B．mustn't; has been |
| C．can't; has gone | D．can't; has been |
—Sorry, sir. I made a mistake again．
—_________ Practice more and you will do better．
| A．Never mind． | B．I'm not sure. |
| C．You're welcome． | D．Don't mention it． |
—Tom, I'm watching a football match．What about you?
—_________
| A．So do I． | B．So am I． | C．So I do. | D．So I am. |