---______ shells do you have?              ---Over 100 so far.

– __________ milk do you need for the milk shake?– Well, one cup is probably enough. 

It was not until the 18th century that man realized that the whole of the brain was involved in the working of the mind，　　　　？

There must have been a large number of tourists in Sanya during the past Spring Festival, __________?

I need a friend with whom ____ my sorrows and happiness.