We should help people who are in trouble. _____, if we become desperate, they will lend us a hand.
| A．In common | B．In particular |
| C．In turn | D．In reality |
The economic impact study was conducted by a group of _______ selected MBA students at the University of Kansas.
| A．especially | B．specially | C．regularly | D．potentially |
_______ any other species, human populations are shaped by the usual forces of natural selection, like famine, disease or climate.
| A．Compared with | B．As with | C．As for | D．In addition to |
— I’m terribly sorry to keep you waiting for so long.
— _______.
| A．Never mind. | B．That’s right. | C．You are welcome. | D．Don’t mention it. |
It’s extremely dangerous for the drivers to _______ speed as the traffic lights are changing.
| A．pull up | B．put up | C．rise up | D．pick up |
The government is now trying to provide _______ health benefits to all citizens in China.
| A．significant | B．universal | C．temporary | D．professional |