同义句转换。

1. I find it frustrating that I can't sing an English song.

I find ______ frustrating ______ ______ in English song.

2. It took me two days to finish my English project.

I______ two days ______ my English project.

3. The girl is eight years old.

She is ______ ______ girl.

4. His suitcase is full of books.

His suitcase ______ ______ ______ books.

5. Mrs. Lin owned the supermarket.

Mrs. Lin was ______ ______ of the supermarket.