2. 外语
  3. ____scientists have observed increased pollution in the water supply.

____scientists have observed increased pollution in the water supply.

admin2012-06-18  43
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 各项的意思是：Late是形容词，表示“迟的，迟到的”；Later是副词，表示“后来，以后”；Latter为形容词，表示“后面的”；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/ZCbYFFFM
0

考博英语

相关试题推荐
随机试题
最新回复(0)