学进去

   Lily’s grandfather has Parkinson’s disease(帕金森病) and he always spilled(使洒出) his drink. When Lily saw this, she made him a cup _______ three legs. Her grandfather liked it a lot. Later, she made her father a three-leg cup, _______, because he often spilled coffee on his computer.

After _______ the cup for a short time, Lily’s father found it very useful. He advised Lily _______ plenty of cups to sell. With the help of her father, she found a company to produce cups. They sold well and someone even emailed Lily to thank her. Lily felt glad when she knew she could help _______.