句型转换，按括号内的要求转换下列句型，每空一词。

1. Sometimes you're supposed to come early. (改为否定句)

    Sometimes you                         supposed to come early.

2. Mrs.Smith is busy. She is doing her housework now. (改为同义句)

    Mrs. Smith is                         her housework now.

3. Tom visits his grandparents once a week. (对划线部分提问)

                             does Tom visits his grandparents?

4. My pen pal is from America. (用Japan改为选择疑问句)

    Is your pen pal is from America                        ? (改为同义句)

5. The teacher said, "Don't cheat in exams, children!" (改为同义句)

    The teacher told the children                         cheat in exams.

从内容的角度看，漫画最根本的特性是（）。

A、教育性

B、思想性

C、幽默性

D、夸张性