__________. they point that ______________.
        11. everything has two sides and ______________ is not an exception, it has both advantages and disadvantages.
        12. for years ______________ had been viewed as ______________. but people are taking a fresh look at it now.
        13. it has stipulated by the government that ______________. to this stipulation, many people respond actively because ______________.
        14. ______________ is a common occurrence in our daily life. whatever we do, ______________ can’t be avoided.
        15. ______________ has become a hot topic among people, especially among the young, and heated debates are right on their way.