How beautifully she sings! I have never heard________.
It is acknowledged that an iphone5, ________ to be most useful and fashionable, is what many teenagers are dying for.
From time to time, some parents asked themselves the question ______ what they had done for their kids was worth doing.
---- Putting on a happy face not only helps us make friends but also makes us feel better. ---- _______.
Life is like a long race we compete with others to go beyond ourselves.
Unsatisfied with the payment, he took the job just to got some work experience.