.—How can I get along _____with others, Dad?—Try to smile to others, boy. That will make ________much easier.

I don’t understand the story though there are___new words in it.

_____ do you use a computer? —Every day.[ ]

_______no doubt that a green campus plays an important role in the growth of students, both physically and mentally.

Did you know that the earth is the home of animals?