53.One of the most important questions they had to consider was ____ of public health.(全国I)

53.One of the most important questions they had to consider was ____ of public health.(全国I)
A.what B.this
C.that D.which
英语人气:388 ℃时间:2019-09-03 00:47:08
优质解答
答:选C解析:本题考查代词的用法.四个选项中,只有that可以代替句单数可数名词或不可数名词,以避免重复.如:The output of steel this year has increased by 20% compared with that in 1992. 今年钢产量比一九九二...
我来回答
类似推荐
请使用1024x768 IE6.0或更高版本浏览器浏览本站点,以保证最佳阅读效果。本页提供作业小助手,一起搜作业以及作业好帮手最新版!
版权所有 CopyRight © 2012-2024 作业小助手 All Rights Reserved. 手机版