Question

【题目】— Where ______ the keys?
— _______ on the sofa.
A.are; It's
B.is; It's
C.are; They're
D.is; They're

Answer 1

【答案】C
【解析】句意：-钥匙在哪里？-在沙发上。are用于主语是复数或是you的时候；is用于主语是单数的时候；It's 是It is的缩写，它是；They're是They are的缩写，他们是。根据句意可知，这里的keys是复数的意思，故应选C。