____ has helped to protect the environment is worth prai Wap版

试题详情及答案解析

____ has helped to protect the environment is worth praising.

A．Who

B．The one

C．Anyone

D．Whoever

答案：D

试题分析：句意：任何帮助保护环境的人都值得表扬。A. Who谁，作为状语从句的关系词，表特指；B. The one那一个，特指；C. Anyone任何人；D. Whoever 无论是谁，相当于Anyone who, 故选D。
考点：考查主语从句的关系词用法。