题型：单选题题类：难易度：普通

人教版（PEP）四年级下册 Unit 1 My school Part A Let's talk&Look ask and answer 同步练习题

The library is ____ the ____ floor.

A、on; first B、in; first C、on; one D、at; one

举一反三

— What do you want to be in the {#blank#}1{#/blank#}?

— I want to be a {#blank#}2{#/blank#}.

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