21. The International Red Cross is_______ non-profit organization that cares for the wounded, sick and homeless in wartime, and victims of _______ natural disasters.
When _________ an egg for the first time, the hen lay in the doghouse.
It is obvious __________ he has no chance to go to college. A. that B. whether C what D. Which
From a _____ look in his eyes, I bet he didn't get the hang of the meaning of the poem.
__________ you trust him, you may as well follow his advice.
I don't want to cooperate with _________ is different from me in character.