句型转换：（共20空，每空0.5分，满分10分）

1. Lucy does housework with her mother on Sundays,（否定句）

Lucy _______ ________ housework with her mother on Sundays.

2. Please e-mail me soon.（同义句）

Please _______ _______e-mail _______me soon.

3. The museum is closed on Wednesday.（同义句）

The museum is _______every day _______Wednesday.

4. Millie is a good swimmer. （同义句）

Millie is_______ ________ ________.

5. She does well in English because she often talks to foreigners.（提问）

________ ________ she _______well in English?

6. My birthday is on January 6th,1983. （同义句）

I________ ________ on January 6^th, 1983.

7. I only know one answer to this question.

________ ________ ________ to this question do you know?

8. The blue ball is Sandy’s.

________ ________ is Sandy’s?

程序中已构成如下图所示的不带头结点的单向链表结构，指针变量s、p、q均已正确定义，并用于指向链表结点，指针变量s总是作为头指针指向链表的第一个结点。

若有以下程序段：
q=s; s=s-＞next; p=s;
while (p-＞next) p=p-＞next;
p-＞next=q; q-＞next=NULL;
该程序段实现的功能是( )。