Peter was so excited _______he received an invitation from his friend to visit Chongqing______

he felt on top of the world.

　 A．when, who       　　　　　　 B．that, that　　 　 C．when, that        　 D．that, where

Peter was so excited ________ he received an invitation from his friend to visit Chongqing ________ he felt on top of the world．

1. A.
   when, who
2. B.
   that, that
3. C.
   when, that
4. D.
   that, where

Peter was so excited _______he received an invitation from his friend to visit Chongqing.

A. where       B. that   C. why         D. when

7．Peter was so excited            he received an invitation from his friend to visit Chongqing.

   A. where    B. that   C. why    D. when

Peter was so excited _______he received an invitation from his friend to visit Chongqing.

A. where       B. that   C. why         D. when