阅读下列短文,选择恰当的词依次填入空格中。 Every year in the first week of my English class, some students inform me that writing is too hard. They never write, unless assignments ____________it. They find the writing process __________ and difficult. How awful to be able to speak in a language but not to write in it— ____________ English, with its rich vocabulary. Being able to speak but not write is like living in an _____________ mansion (豪宅) and never leaving one small room. A)require B)emotional C)painful D)enormous E)enhances F)daily G)especially H)perform