Question

改错题。
1. A plane is a machine can fly.                             2. It is one of the best pictures which have been sold.     3. Those that want to go put up your hands.                 4. This is the knife with that the doctor did the operation. 5. Who  is the man whom you said hello just now?	_________ _________ _________ _________ _________

Answer 1

1. machine 后面加 which / that 2. which-that 3. that-who 4. that-which 5. whom-that