[四级作文写作句型：表示原因]四级写作常用句型

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1．The change in__________lalgely results from the fact that__________． 　　2．We mayblame__________．butthe teal causes ale__________． 　　3．Part ofthe explanations for it iS that__________． 　　4．One ofthe most common factors／causes iS that__________． 　　5．Another contributing factor／cause is __________ ． 　　6．A number of factors are accountable for mis situation． 　　7．This might contribute to/lead to/account for the phenomenon/ problem． 　　8．The answer to this problem involves many factors． 　　9．The Dhenomenon mainly stems from the fact that__________． 　　10．The factors that contribute to this situation include__________． 　　11．Perhaps the primary factor is that__________．