1£®We will never talk about that subject again.

2£®Someone is knocking at the door. Who can it be?

3£®He is determined that you shall succeed.

4£®May you succeed, my dear friend!

5£®It is wonderful that you should have achieved so much in these years.

6£®At that time the old man would sit there for hours, doing nothing at all.

7£®The man you met just now can't be my math teacher — he has gone abroad.

8£®Li Ming speaks English very fluently; he must have practised it a lot.