31. – How did your father catch so many fish?– By using a ________.
While watching television,____.
To good relationships with your teachers and classmates, you should learn to be on good terms with them.
A great number of studentssaid they were forced to practice the piano.
________ the tower building,where you can see the whole city
Up to now, they _______enough money for students who can’t afford to go to school.