they won't buy any new clothes because they money to buy a new carThey won’t buy any new clothes because they________money for a new car.[ ]A.save B.were saving C.are saving D.have savedA save B were saving C have saved D are saving 为什么选D,B C为什么不选,

问题描述:

they won't buy any new clothes because they money to buy a new car
They won’t buy any new clothes because they________money for a new car.[ ]A.save B.were saving C.are saving D.have savedA save B were saving C have saved D are saving 为什么选D,B C为什么不选,

A是一般现在时,B是过去进行时,C是现在完成时,从句子前后看出,省钱save money是一个持续性的动作,要用现在进行时,也就是D啦.
懂?