China issued new plan which calls for immediate action to deal with country worsening air pollution.
| A．the ; a | B．a ; the |
| C．a ; a | D．a ; / |
Was __________ that I saw last night at the concert?
| A．it you | B．not you | C．you | D．that yourself |
_________ is a fact that English is being accepted as an international language.
| A．There | B．This | C．That | D．It |
—Each of the students, working hard at his or her lessons, _________to go to university.
—So do I.
| A．hope | B．hopes | C．hoping | D．hoped |
He speaks English well indeed, but of course not___________a native speaker.
| A． as fluent as | B． more fluent than |
| C． so fluently as | D． much fluently than |
You should try to get a good night’s sleep_________much work you have to do.
| A． however | B． no matter | C． although | D． whatever |