______scientists have observed increased pollution in the water supply.

admin2015-04-18  47

问题 ______scientists have observed increased pollution in the water supply.

选项 A、Late
B、Later
C、Latter
D、Lately

答案D

解析 A项Late形容词,表示“迟的,迟到的”;B项Later是副词,表示“后来,以后”;C项Latter为形容词,表示“后面的”;D项Lately是副词,表示“最近”,根据题句中所用的现在完成时结构,可知D项为正确答案。
转载请注明原文地址:https://jikaoti.com/ti/BnPYFFFM
0

最新回复(0)