We always want what we cannot have. When we’re young, we want to stay out late, have romantic relationships and be   1   ．However, when we're    2  , we want to go back to being young and we   3  the days when we didn’t have to worry about complex love affairs,  4  pressure and money problems．
Young people believe adulthood  5 freedom from parents and schoolwork．When they get older, they feel that   6   is freedom from work pressure and family responsibilities. To  7  this feeling, people say, "The grass is always 8  on the other side of the fence．"
As   9  , we like to be like adults but as young adults, we  10  to be young again. We think about staying out late and  11   our own money to spend．Suddenly, we see that love can result in   12  hearts; staying out late makes it hard to get ready for  13  the next morning. We find out that adult life is not as   14 as we thought it would be and suddenly,   15  becomes very scary．
Life is   16   ．It gives us time to   17     but also requires us to work. The time will come when we must grow up and we will always look back wishing we  18   being young a bit longer. That time will not come back. It is normal to want what we cannot have but the   19    is that to be happy is to appreciate what we have．That is the first step to grow up.   20    life becomes more complex, we will not regret the time we wasted wishing we were adults．

A．comfortable B．dependent C．polite D．independent

A．defeated B．older C．married D．confident

A．like B．forget C．miss D．regret

A．job B．study C．age D．health

A．creates B．shows C．limits D．means

A．adulthood B．childhood C．parenthood D．neighborhood

A．reduce B．experience C．describe D．understand

A．thinner B．greener C．yellow D．colorful

A．researchers B．adults C．teenagers D．elders

A．decide B．wish C．return D．stop

A．making B．worrying about C．having D．showing off

A．healthy B．ambitious C．excited D．broken

A．breakfast B．school C．work D．exercise

A．rich B．busy C．poor D．easy

A．love B．life C．career D．future

A．long B．fair C．short D．beautiful

A．study B．think C．live D．play

A．stopped B．imagined C．enjoyed D．tried

A．reason B．result C．truth D．dream

A．When B．If C．Unless D．Before