关于英文单复数的问题The attachment is the solution of three questions.还是：The attachment is solutions of three questions.is后面好像不能接复数名词,但这句话里还是应该用solutions,因为是好几个solutions.请问这

关于英文单复数的问题The attachment is the solution of three questions.还是：The attachment is solutions of three questions.is后面好像不能接复数名词,但这句话里还是应该用solutions,因为是好几个solutions.请问这
关于英文单复数的问题
The attachment is the solution of three questions.
还是：
The attachment is solutions of three questions.
is后面好像不能接复数名词,但这句话里还是应该用solutions,因为是好几个solutions.
请问这两句哪句是对的?

关于英文单复数的问题The attachment is the solution of three questions.还是：The attachment is solutions of three questions.is后面好像不能接复数名词,但这句话里还是应该用solutions,因为是好几个solutions.请问这
第二句,句子的单复数是看主语,和后面的词语无关,这句话也不是倒装句,所以可以不用看后面的solution

下面好，主语是attachment单数，用is

第一句是正确的，单复数的问题最主要是看主语，主语是单数，那么后面所对应的亦是单数，而且谓语动词是单数，后面也只能跟单数。这是规则。