What________ the public was that Phelps should take drugs.
| A．worrying | B．worried |
| C．was worried | D．was worried about |
We had hoped that you would be able to visit us, but you.
| A．didn’t | B．hadn’t | C．wouldn’t | D．would not have |
Do you know that a living cell can be for a thousand years if the temperature is right?
| A．spared | B．protected | C．preserved | D．developed. |
Many experts seem to agree that certain limit should be set on consumption of cars to ease air pollution.
| A．a; the | B．/; the | C．the; / | D．the; a |
I have got _______ good news for you．You are to change _______ trains in Changsha and take _______ fast one.
| A．/; /; a | B．a; /; a | C．a; the; the | D．/; the; a |
As hiring _______ more global, both for employers and candidates, video interviewing is a way to speed up the interview process.
| A．became | B．has become |
| C．will become | D．had become |