2015年大學(xué)英語六級萬能句型(1)：表示原因

1.表示原因
    1)There are three reasons for this。
    2)The reasons for this are as follows。
    3)The reason for this is obvious。
    4)The reason for this is not far to seek。
    5)The reason for this is that…
    6)We have good reason to believe that…