---I am happy you can come to my party. ______, please.
---Thank you.
| A．Make youself at home | B．Take it easy |
| C．Take your time | D．Help youself |
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 |