Planning so far ahead _____ no sense — so many things will have changed by next year.

Mr. Lee never said that he hated school when he was a child,       ?

Either you or one of your students ________ to attend the meeting that is due tomorrow.

_____ of the students who took part in the military training is 1450.

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