— chair the meeting.

1.What is the central topic of the passage?

2.The word "beyond" in "The ball went beyond the wall" is a/an:

3.The word '$mine^{\prime} in$ "The book is mine" is a/an:

4.The word "Writing" in "Writing is my hobby" is a/an:

5.The passive form of "She knows me" is:

6.Indirect Speech of "He said, 'Long live our President!" is:

7.The teacher ordered the students, "Do not waste your time."

8.The patient died _____ cholera.

9.The train arrived _____ the station on time.

10.Trying $\to convince him is a waste of$ time; he's as ___.'

11.I don't mind lending you my notes, but please make sure \to return them ___.'

12."Turn down" means: