The day before yesterday _ my mother's ...

2023-02-13

【题目】The day before yesterday ____ my mother's birthday. (  )

A.is  B.were C.was

【答案】C

【解析】

句意是:前天是我妈妈的生日。主语是我妈妈的生日,故动词是单数。the day before yesterday前天。故动词用过去式。故选C。