-Shall we go swimming,Linda?-I'm sorry I can't.I-------(not

-Shall we go swimming,Linda?
-I'm sorry I can't.I (haven't brought) my swimsuit with me.
我们去游泳吗?不行.我没带泳衣.
再问： 为什么
再答： 用现在完成时强调对现在的影响-无法去游泳。