—Are you hungry now?

—_______. I have just had two bowls of rice.

Sometimes a bus ____ gets on the bus to check the tickets.

I don’t know ______ a show. Can you tell me?

One of the requirements for a fire is that the material ____to its burning temperature.

Writing：

A statement goes that “only through mistakes can there be discovery or progress”. To what degree do you agree with this statement? Write an essay of about 400 words.

In the first part of your essay you should state clearly your main argument, and in the second part you should support your argument with appropriate details. In the last part you should bring what you have written to a natural conclusion or make a summary.

You should supply an appropriate title for your essay.

Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the above instructions may result in a loss of marks.