题干
| Dear Dad, ＄chool is really great. I am making lot＄ of friend＄ and ＄tudying very hard. With all my ＄tuff, I ＄imply can’t think of anything I need. ＄o if you would like, you can ＄end me a card, a＄ I would love to hear from you. Love, Your son |
| Dear Son, I kNOw that astroNOmy, ecoNOmics and oceaNOgraphy are eNOugh to keep an hoNOur student busy .Do NOt forget that the pursuit（追求）of kNOwledge is a NOble task , and you can never study eNOugh. Love, Your Dad |
