1. I'm going to do it straight away.
   我将马上做。
2. That’s what we ought to do.
   这是我们应当做的。
3. I have a lot of correspondence to do.
   我有很多信件要处理。
4. Every student ought to do his part to make steady progress.
   每个学生都应尽本分以求平衡的进步。
5. What I plan to do is to make a systematic study of maths .
   我计划要做的事是要对数学进行系统学习。

　1个名词解释