作业帮 > 英语 > 作业

More patients ________ in hospital this year than last year.

来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/05/07 16:21:39
More patients ________ in hospital this year than last year.
A.treated B.have treated C.had been treated D.have have been treated
选D
为什么
More patients ________ in hospital this year than last year.
A是过去时,不选.B不是被动态,因为这道题中人们是被送的,所以也不选.C是过去完成时,表达的是过去的过去,例如when i got to the theatre,the movie had begun.只有D时态合适也是被动态,现在完成时即以前一直做,现在可能仍继续做.