職稱英語考試常用句型(2)

What are these?
    結構：問句：What are+these/those…?
    答句：These/Those are+復數(shù)名詞（+s/es）。
    說明：<主詞>與<動詞>的形式要一致，is 后面接單數(shù)<名詞>，are 后面要接復數(shù)<名詞>.
    What are these? These are books.
    這些是什么?這些是書。
    What are those? Those are cups.
    那些是什么?那些是茶杯。
    What are they? They are glasses.
    它們是什么?它們是玻璃杯。