【题目】—What are ____? ( )
—They ____ sheep.
A.this; is B.that; are C.these; are
【答案】C
【解析】
句意:—这些是什么?—他们是绵羊。are/they说明是复数,this,that后面跟单数,排除AB,故选C。

【题目】—What are ____? ( )
—They ____ sheep.
A.this; is B.that; are C.these; are
【答案】C
【解析】
句意:—这些是什么?—他们是绵羊。are/they说明是复数,this,that后面跟单数,排除AB,故选C。