我国一些地方至今仍保留着除夕夜“守岁”的风俗是源于

A．唐朝　　

B．宋朝　

C．元朝

D．明朝

根据所给提示，完成句子，每空一词，含缩略词

1. Most people watched TV late in May this year. (改为一般疑问句)

    _______________ most people _______________ TV late in May this year?

2. The students will learn the group dance on the school playground. (对划线部分提问)

    _______________ the students learn the group dance?

3. More and more foreigners speak Chinese in the world now. （改为被动语态）

    Chinese _______________ _______________ by more and more foreigners in the world now.

4. Little Jim is only five years old. He can't make model planes by himself. （合并为一句)

    Little Jim is ______________ young ______________ make model planes by himself.

5. 我们应该多参加课外活动。(完成译句)

    We should                                                    in after-school activities more often.