Between the bank and the supermarket ____________ their friend’s restaurant.

--- How _____ hours do you sleep a day?--- Well, about eight hours. But how _____ sleep do we students really need?

The number of people invited ___fifty, but a number of them____ absent fordifferent reasons．

There was a fire last night and more than one house _____ burnt down in the fire.

The blue jeans _______ 50 dollars. And that black pair of jeans _______ 60 dollars.