(21-23) 　　Monica 21 the thin old man who lives next to her must be very poor andlonely. She often saw him wearing old clothes and sitting in the park by himself. 　　Last Christmas, when Monica was jogging in the park, the old man came upto her with a large bag on his shoulder. Monica guessed the old man 22 her forsome money or help. But she was surprised to find many children following him.The old man took out a box from his bag and said to her with a big smile, “MerryChristmas! I bought presents for everybody. This one is for you.” At that moment,Monica understood her mistake and changed her idea about the old man. Since then,she 23 not to judge people by how they look. She now knows how people look isnot the same as what they really are. ● judge 判斷
21.
(A) used to think
(B) is thinking
(C) thinks
(D) will think