1£®The speaker spent several days polishing (polish) her lecture to make it perfect.

2£®My sister is an editor(edit) for a local newspaper.

3£®My daughter is always well ahead of the rest of her classmates in maths.

4£®The agreement was approved(approve) before the meeting came to an end.

5£®They had been working(work) on the program for almost one week before I joined them.

6£®Little Tom is an orphan.Child as he is£¬he has to make a living by himself.

7£®Your application for the position is in process.

8£®The manager asked me to describe the plan accurately(accurate)£®