Some retired people have nothing to do. They often get together and ____for hours talking about their past experiences.
| A．look around | B．get around | C．turn around | D．sit around |
It was your lie about your education background______cost you the opportunity to get the job.
| A．which | B．it | C．that | D．and |
Male nurses are not____________are needed most, but female doctors are.
| A．who | B．that | C．what | D．those |
The wild flowers looked like a soft orange blanketthe desert.
| A．covering | B．covered | C．cover | D．to cover |
Generally speaking, ______ according to the directions, the drug has no side effect.
| A．when taking | B．when taken | C．when to take | D．when to be taken |
My parents live in a small village. They always keep a lot of candles in their house _______ there is a power out.
| A．if | B．unless | C．in case | D．so that |