Liberia has seen more Ebola deaths than the other affected countries but there are now some _______ signs.
| A．efficient | B．positive |
| C．individual | D．negative |
----Many online games are full of violence, which do harm to the development of the children.
----And that’s _______ my concern lies.
| A．what | B．which | C．where | D．that |
Jason is a man of great determination and he will keep moving forward____ the result.
| A．whatever | B．however | C．wherever | D．whichever |
We are in a difficult position in____ we have nobody properly qualified for this work.
| A．that | B．when | C．what | D．where |
I have no one ____ me, for I can deal with it all by myself.
| A．to help | B．to have helped | C．help | D．helped |
_____ important thing in life is to have a great aim, and ______ determination to attain it.
| A．An ; 不填 | B．A ; the | C．The ; the | D．The ; 不填 |