Maths___the only subject he liked when he was in the middle school.A,wereB,areC,wasD,is选哪个,why?
问题描述：
Maths___the only subject he liked when he was in the middle school.A,wereB,areC,wasD,is选哪个,why?
答
选【C】
理由：Maths是数学,而不是复数,the only 也说明是仅有的,要用第三人称单数.
而后面的时间状语是when he was 是过去时间,所以主句也是过去的时态,is的过去式是was,