An early typewriter produced letters quickly and neatly; the typist, _____ couldn't see his work on his machine.
The good thing about children is that they _____ very easily to new environments.
Nothing can give a mother more pleasure than to see her children ______ to be useful citizens of the country.
Li Hua has succeeded _______ the National College Entrance Examination and her dream _______ being a university student will come true.
Some people waste a lot of food _______ others haven’t enough to eat.
Come and visit me whenever _______.