Question

【题目】Physics ________my favourite subject when I was at school.

A. is B. are C. was D. were

Answer 1

【答案】C

【解析】句意：在我上学的时候，物理是我最喜欢的科目。考查系词辨析题。Physics物理（科），是单数第三人称，系词需用单数形式，可排除BD选项。根据when I was at school.，结合句意语境，可知主句用一般过去时，系词用was，故选C。