2012年大学英语四级改错练习题四

19、Do you know the young man whom has been chosen chairman?

       20、The park stands at the place that the two rivers meet.

       21、A plane is a machine can fly.

       22、It is one of the best pictures which have been sold.

       23、Those that want to go put up your hands.

       24、This is the knife  with that the doctor did the operation.

       25、Who is the man whom you said hello just now?

19、whom—who    20、that—where 
 21、machine后面加which \ that 22、which—that    23、that—who   
24、that—which   25、whom—that