When he arrived, he found ____ the aged and the sick at home.
| A．nothing but | B．none but | C．none other than | D．no other than |
Our company has now come to the point ____________ we must make some reforms．
| A．when | B．because | C．where | D．that |
I find that looking after children is a fun and challenging job ___________ you need to be patient and careful．
| A．That | B．which | C．where | D．when |
___________ we can have clean drinking water lies in ___________ effective measures will be taken by the government about water pollution.
| A．Whether；that | B．If；that |
| C．Whether；what | D．If；what |
It was ____________ she lost her job ____________ she realized how important it is that one should study all the time．
| A．not until；that | B．not until；which |
| C．not until；what | D．until；when |
Hurricane Sandy,one of the biggest storms ever， hit the East Coast of the US on Oct. 29，___________ transportation．
| A．shutting down | B．to shut down |
| C．shut down | D．to have shut down |