----- Would you mind my opening the window ?
------________.
| A．Yes,please | B．Of course | C．No, you can't open it | D．No, go ahead |
Words failed me when I heard the news of the New Year’s Eve stampede in Shanghai. But for lacking a sense of safety, so many people __________ killed or injured．
| A．couldn’t be | B．wouldn’t have been |
| C．mustn’t have been | D．shouldn’t be |
Our nation should first develop modern law __________ in ruling the country by law．
| A．awareness | B．opportunities |
| C．regulation | D．principle |
__________ on Wechat is a common phenomenon, and more people hardly write letters．
| A．Communicate | B．Communicated |
| C．To communicate | D．Communicating |
People are __________ shoppers in China on November 11th, contributing to more than 35 billion online shopping sales．
| A．potential | B．enthusiastic |
| C．intelligent | D．temporary |
— Didn’t you talk any with Rice?
—No, the plane __________ off when I rushed to the airport to see her off．
| A．was taking | B．had taken |
| C．took | D．has taken |