________ it rained, ________ the football match was put off．

1. A.
   Because; so
2. B.
   Because; of
3. C.
   Because;/
4. D.
   As; so

________ it rained,________ the football match was put off(延期)．

　　A．Because;so　　B．Because of;/

　　C．Because;/　　D．As;so

(用 because of 改写) The football match was put off because it rained．

　　The football match was put off __________ __________ the rain．

(同义句转换) The football match was put off. It rained.

　　The football match was put off ________ ________ the rain.