“ I don’t know what you mean, ” said Mary an angry voice.
| A．in | B．on | C．with | D．by |
how to solve the problem, the little boy turned to his father for help.
| A．Not knowing | B．Having not known |
| C．Not having been known | D．Not known |
Nowadays people are wasting too much energy, so we should lead a low-carbon life.
, we’ll suffer a lot in the future.
| A．When possible | B．If any |
| C．If not | D．Where necessary |
It turned out that she won the first prize in the competition, which was her modest expectation.
| A．beyond | B．to | C．above | D．beneath |
to the left, and you will see the railway station.
| A．Turning | B．To turn | C．Turned | D．Turn |
I hate when people have prejudice against female employees and think women are less capable.
| A．that | B．it | C．one | D．them |