E. 次の各組の英文がほぼ同じ意味を表すように、( )に適語を入れなさい。
1. My father can't sing as well as my mother.
My mother can sing (
) (
) my father.
2. I can't use this computer.
I don't know ( ) ( ) ( ) this computer.
3. I don't know who the writer of this book is.
I don't know who (
) this book.
4. He will be happy when he hears the news.
The news will (
) happy.