问题
选择题
What they need most _____ money while what we need most _____ textbooks.
A．were; is
B．are; is
C．was; are
D．is; are
答案
答案：D
此题考查由what引导的名词性从句做主语时，谓语动词取决于后面的表语，第一空表语是money，所以用单数，第二空表语是textbooks，所以用复数，所以选D。
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的值是（）。