书面表达。

请以 “Keep Our School Clean”为题并结合所给提示词语写一篇简短发言稿 

要求：1. 所给词语全部用上 

          2. 书写必须认真、仔细 3. 字数：80字左右 

提示词语：It's our duty…; not… spit (吐痰) in a public (公众的) place;

                  draw…on the wall; throw … onto…; make a rule (规则; 制度);

                  do some cleaning; do something useful; be sure

Good afternoon, everyone 

I have no time to tell you the whole story_________. In short they got married at last.

A．in need

B．in the beginning

C．in general

D．in detail