Did your classmate accept your invitation?——No, he ____ refused.

The United Nations is trying to free the world________the threat of war.

Goand have great fun! I will cope with _____ you leave to me properly —Thanks alot

How did you get out of the forest at last– By following the ____ I had left.

I was told that there were about 50 foreign students __________ Chinese in the school, most __________were from Germany.