Riddle: Learn the riddle of Lei Feng's spirit _ What is the answer to Lei Feng's riddle?

Puzzle: I can't see my son (type). Puzzle: learning (feeling-seeing+son = learning). Puzzle: A little more tricky (type a word). Puzzle: (Diao+point A = Xi). Crossword puzzle: Xi Yurun Datian (type a word). Puzzle: Thunder (rain+sky+thunder). Puzzle: Last name is Du. (Type a word) Answer: God (called "God" in old Shanghai,+means complement = God) Puzzle: How to write a sentence vertically (type a word) Answer: A puzzle: It rained for several days (type a word) Answer: Lei Puzzle: Does a bonfire extinguish real gold? (Typing a word) Answer: Feng crossword puzzle: Eight heads (Typing a word) Answer: Learn crossword puzzle: Be less cunning (Typing a word) Answer: Learn crossword puzzle: Learn Lei Feng (Typing a reputation) nationwide Answer: Model crossword puzzle: Millions of Lei Feng are growing up (Typing a Song surname) Answer: Fan Chengda.