______ do you live from your school? — About five minutes’ walk.

How many books does the little boy have?—He has books.

We should eat a balanced diet to keep healthy.

Do you know _______ young man under the tree?—-Yes, but only a little, maybe he is _______ university student.

Do you know the activity called “________ Lights” ?—Oh,it’s an activity that reminds people of saving energy.