连词成句。 1. that,  a,  is,  of,  keys,  set __________________________________________________? 2. mother,  to,  have,  he,  sick,  of,  take,  doesn't,  care,  his __________________________________________________. 3. delicious,  chicken,  the,  fried,  how,  tastes __________________________________________________! 4. is,  homework,  my,  until,  leave,  won't,   I,  finished __________________________________________________. 5. is, what,  job,  his,  you,  do,  know __________________________________________________?