it is an easy tool that teaches the rules of sentences, noun, verbs, question mark, adjectives, and adverbs; prepositions, propositions, and pronoun pronouncements; punctuation; possessives; and proofreading skills for all communication. 它是一个简单的工具，可以教授句子，名词，动词，问号，形容词和副词的规则; 介词，主张和代词的声明; 标点;所有格; 以及所有交流的校对技巧
You can read books purchased on Google Play using your computer's web browser.
eReaders and other devices
To read on e-ink devices like the Sony eReader or Barnes & Noble Nook, you'll need to download a file and transfer it to your device. Please follow the detailed Help center instructions to transfer the files to supported eReaders.