WHO-UNICEF estimates now indicate that over 250 million children still suffer from vitamin A deficiency with many millions ______ are at risk.

A．He lives in a quiet spot far away from the town.
B．Our experience is far away from adequate and there are a few shortcomings in our work.
C．Competition can be healthy, but if it is pushed too far it can result in bullying.
D．By far the most important issue for them is unemployment.

A．It soon became obviously that instead of being trained to sing she would be trained as the astronomer"s assistant.
B．She thought constantly about her family; she might never know what had become of them.
C．I am looking forward to having a good talk with all my old friends.
D．It soon became obvious that he would be out leader.