【考前必备】2016年12月英语六级作文万能句：原因

　　2016年12月英语六级考试时间为12月17日，考试时间离我们已经很近了，英语六级作文是考前最能提分的，小编准备了英语六级作文万能句，方便小伙伴们备考。

　　1.A number of factors are accountable for this situation.

　　A number of factors might contribute to (lead to )(account for ) the phenomenon(problem).

　　2. The answer to this problem involves many factors.

　　3. The phenomenon mainly stems from the fact that...

　　4. The factors that contribute to this situation include...

　　5. The change in ...largely results from the fact that...

　　6. We may blame ...,but the real causes are...

　　7. Part of the explanations for it is that ...

　　One of the most common factors (causes ) is that ...

　　Another contributing factor (cause ) is ...

　　Perhaps the primary factor is that …

　　But the fundamental cause is that