改错,下面句子如何改错?The boy is in his twenty.

改错,下面句子如何改错?The boy is in his twenty. 句子改错.Is the boy watching TV at the minute? 语文句子如何改错 Show the boy to the bag.改错. Don't make the boy cry 改错 The boy is 1.68 metre tall.改错 How cool the boy is!单句改错 英语句子改错（每句一处）the boy was made cry by his sister 句子改错. 句子改错 句子改错, 句子 改错 This boy runs the more faster than that boy.改错 the boy looked the sky,but he saw nothing 改错 the boy and the girl is swimming now改错 改错Can you take the ill boy to the hospital? The boy is enough tall to catch the apple 改错 The boy on the tree is Tom改错