Large quantities of water _______ for irrigation.A. is needed B. has needed C. are needed D. Need为甚麼是C?解释一下

问题描述:

Large quantities of water _______ for irrigation.
A. is needed
B. has needed
C. are needed
D. Need
为甚麼是C?
解释一下

quantities of后面不管加可数还是不可数名词,统统用复数谓语动词