19、Do you know the young man whom has been chosen chairman? $ r8 K! Q/ o/ V8 }+ [- R 20、The park stands at the place that the two rivers meet.8 i: f |$ O3 R( N- |' r! W1 u
21、A plane is a machine can fly.8 s+ k' T ?3 ]' \& t/ a. D
22、It is one of the best pictures which have been sold.5 L- x* M+ I7 ]( j# t; t
23、Those that want to go put up your hands.+ ^) n0 I/ I( n9 _1 i# @* h
24、This is the knife with that the doctor did the operation., |1 }+ q9 L2 q
25、Who is the man whom you said hello just now?% n: N* h9 E$ r% |& M& ]- u- H
19、whom—who 20、that—where ' @7 r9 G4 D8 t# k/ \) }# _, Z! e
21、machine后面加which \ that 22、which—that 23、that—who ' q( l) X2 f( I" Z24、that—which 25、whom—that