stayed inside himself, ______ to be alone, or ina corner of the cabin.

I believe that there are many ways ________our love to our parents.

“What place is it” “Haven’t you found out we_____ back where we ______”

There is no doubt ________ technological advance enables people to live more comfortably and happily.

Please remember _____ wins you respect is not your background but your knowledge and virtues.