掌握语言需要有发达的大脑和灵活的发音器官,也就是说,要有抽象思维的能力和发音的能为。
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TheteacherthoughtthatthelastparagraphinJane'scompositionwas(necessary)____________soheaskedhertogetridofthisparagraph.
Inwritingwhatisactuallymostimportantis(revise)_________.
He(decorative)___________hisroomwithpicturesofallhisfavoritesportsstarsyesterday.
I'vefoundmanypiecesofinformation;butnoneofthemis(use)__________.