题目内容：

急英文翻译..用括号里的词
1.他努力保持清醒,但是不久就睡着了(before long)2.几天前,数学老师要我们解一个非常难的问题(the other day)3.你或我都不能在半个小时内游过这个湖(neither...nor)

优质解答

He tried to keep awake,but he fell asleep before long.Our maths teacher asked us to work out a very difficult promble the other day.Neither you nor I can swim across the lake in half an hour.