The author of the report is well _____ with the problems in the hospital because he has been working there for many years.
| A．acquainted | B．informed | C．enlightened | D．advised |
We ___clearing up the mess.
| A．set out | B．set about | C．set aside | D．set back |
My luggage was closely____when I entered the country.
| A．tested | B．checked | C．examined | D．opened |
Pakistan became a fully independent____after the second World War.
| A．country | B．nation | C．state | D．affair |
___ of us has a bike.
| A．No of | B．None of | C．Not of | D．Not |
When you are in the lab, you should ___ teachera’ instuctions.
| A．follow | B．give | C．receive | D．listen |