The form and pictures introduced in the book ________ the content of the article.

A．throw light at B．throw light on        C．throw light back     D．throw light off

The form and pictures introduced in the book ________ the content of the article.

A．throw light at            B．throw light on      C．throw light back      D．throw light off

25. The form and pictures introduced in the book ________ the content of the article.

The form and pictures introduced in the book ________ the content of the article．

1. A.
   throw light at
2. B.
   throw light on
3. C.
   throw light back
4. D.
   throw light off