The doctor is very __________ about what to eat and never eats fast food.

The ability to make and use tools is one of the most basic characteristics of __________ it means to be human.

The Diaoyu Islands, which lie in ____ East China Seabetween China and Japan have belonged to China since ____ ancient times．

Stella was disappointed to find her new plan______ and fell into great depression.[ ]

________ blood if you can and many lives will be saved.