从括号里选择冠词
1.l wonder if( )(the/a)rich are always those who work hard.2.He invited me to ()(the/a)party at Tom's but l refused.3.He lives in ()(the/a)small flat with his family members.4.l need ()(the/a)computer over there to make the project.5.l want to learn to play ()(the/a)piano.6.l go swimming twice ()(the/a)week.7.On ()(the/a)way to school,we saw he was talking with()(the/an)old man heartily.