21. The International Red Cross is_______ non-profit organization that cares for the wounded, sick and homeless in wartime, and victims of _______ natural disasters.
—Can you accompany your little brother to the post office now?—__________,if he is ready.
Only if __________ the examinations __________ get the gift promised byyour father.
— What do you think about the new teacher? —__________ the new teacher is an elegant lady, she can be extremely difficult to work with.
Eventually, the President had to leave office __________ public pressure in order to ease the tension of the situation.
Although I had the book assigned by the professor several times, it didn't make any __________ to me.