( )1. Why don’t you bring ________ to his attention that you are too busy to do it?
A．this B．that C．it D．what
( )2. The fact ________ he didn’t see Lao Li yesterday is true.
A．which B．that C．when D．what
( )3. The book looks ________ it had been out in the rain.
A．that B．whether C．as though D．what
