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A new survey shows that 54 percent of Americans do not take

来源:学生作业帮 编辑:大师作文网作业帮 分类:英语作业 时间:2024/09/24 00:22:06
A new survey shows that 54 percent of Americans do not take prescription medicines as _____ though they are important to their health
A they instruct
B were instructed
C to be instructed
D instructed
选什么,为什么,分析as在句子里的构成,做什么成分,as的用法有哪些啊?
A new survey shows that 54 percent of Americans do not take
一个最新调查显示,百分之五十四的美国人不会照被嘱咐的那样去吃处方药,即使那些药对他们的健康有好处.选B,as后面主语they were被省略了,补进去就是as they were instructed…这里as表示按照…的方式,而且这里表示的是一般情况,根据前后都用的现在时可以看出
再问: 是什么从句吗?