句型转换(每空一词)。

1. To understand their accents is really difficult. (用it作形式主语改写句子)

     ______ ______ really difficult ______ ______ their accents.

2. Jay is a singer and he is also an actor. (改为同义句)

    Jay is ______ ______ a singer ______ ______ an actor.

3. You can find shops here and there in this street. (改为同义句)

    Shops can _______ ______ ______ in this street.

4. The teacher suggested walking there. (对划线部分提问)

    What ______ the teacher ______ ______?

5. He gave away the old computer. (对划线部分提问)

    What did he ______ ______ the old computer?

汇集学生作品的样本，展示学生的学习和进步状况的教学评价方法叫（）。

A.测验法

B.专题作业法

C.档案袋评定法

D.实验法