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People know little about what the long-term effect of the A(H1N1) flu vacci
People know little about _______the long-term effort of the A(H1N1) flu vaccine will be.A what Bwhich Cwhom Dthat
人气:283 ℃ 时间:2020-04-16 22:44:56
解答
人们对于H1N1流感病毒的接种疫苗的长期影响了解甚少.请问选项是什么?why?A这里不是定语从句,不选Bwhich和 Cwhom,这是what结构的作know about 的宾语。that没有这种用法
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