Research shows that humans ______ from selfish to unselfish behavior when they are watched.
| A．tell | B．switch | C．range | D．distinguish |
We _____ to move but are still considering where to go to.
| A．are deciding | B．decided |
| C．have decided | D．had decided |
The Cleveland Cavaliers ____ the Los Angeles Lakers 108-89 in the NBA on Sunday.
| A．hit | B．hitted | C．beat | D．beated |
What a terrible experience! _____ , you are safe, that's the main thing.
| A．Somehow | B．Anyhow | C．Somewhat | D．Anywhere |
Large quantities of water, as well as some other timely help including a medical team ___since the serious drought hit Yunnan Province.
| A．has offered | B．had been offered |
| C．have been offered | D．is offered |
It is _______ that the pork with the “lean-meat powder”（瘦肉精）has been widely _______ all over the country.
| A．terrifying; distributed | B．terrified; negotiated |
| C．terrifying; distinguished | D．terrified; discriminated |