根据所给汉语意思，完成下列英语句子。每空限填一词。
81．你今天去还是明天去，对家里人没多大关系。
____ won't make much ____ to the family ____ you go today ____ tomorrow．
82．他虽然缺了两周课，但考试还是及格了。
He ____ ____ pass the examination although he had been absent ____ ____ for two weeks．
83．她怕有人不懂，又将句子解释了一遍。
She ____ the sentence again someone should not understand it．
84．如果你应邀去一位美国朋友家共进晚餐，你应该记住以下这些礼貌行事的常规。
If you're invited to an American friend's home ____ ____ ，keep ____ ____ these general rules for polite behavior．
85．生命的价值不在于能活多少天，而在于我们如何利用这些日子。
The value of life ____ not ____ the number of days，but in the use we ____ ____ the days．
参考答案：
81.It，difference，whether，or 82.managed，to，from，clas 83.explained，for，fear，that 84.for，dinner，in，mind 85.lies，in，make，of
