7. -- The boy is tall enough _____ his age.

--Yes, I was much _____ when I was his age.

A. to; shorter B. at; taller

C. at; shorter D. for; shorter

6. In some countries,_____ are called "public schools" are not owned by the state.

A. that B. which C. as D. what

5. People are puzzled _____ they read the book.

A. the first time B. at the first time

C. for the first time D. at first

4. We have done things we ought not to have done and_____ undone things we ought to have done.

A. left B. leave C. will leave D. leaving

3. When you write to him, please _____ him.

A. give my loves to B. give my regard to

C. remember me to D. give my wishes for

2. -- Tom works hard at English.?-- _____, and _____.

A. So does he; so you do B. So you do; so is he

C. So he will; so do you D. So he does; so do you

1. After he gave a report about the school, Mr White____ the visitors around it.

A. went on to show B. went on showing

C. went on with showing D. kept on showing

将本单元的第14, 15课缩写成150个单词左右的短文。下列短词和短语必须用到：

day by day ruin in a word cash crop hilly make sense solve

How to feed the world

Now the world’s population is rapidly increasing. ____________________________________

11. Karl Marx began to learn Russian ______________________________(在六十几岁的时候).

10. The story of "The gold Rush" happened _________________________(在19世纪50年代).