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单项填空isisbiggestlaboratory_____we
发表于：2024-10-24 00:00:00浏览：4次
问题描述： is is biggest labtory _____ we have ever built in our school.
a. which b. what c. where d./
is is biggest laboratory _____ we have ever built in our school.
d./
同上，用that引到的从句，that有时可以省略，所以不用填。
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