MR.Smith with several students___experiments in the lab now. a. do b.did c.are doing d.is doing 选哪个啊啊啊啊求解... 选哪个 啊啊 啊 啊 求解 展开 1个回答 #合辑# 面试问优缺点怎么回答最加分? 家不敢回复cJ 2012-06-23 · TA获得超过11.3万个赞 知道大有可为答主 回答量:2.1万 采纳率:73% 帮助的人:1.5亿 我也去答题访问个人页 关注 展开全部 D. is doing因为这句话的主语是Mr. Smith,是单数形式,而with several students是它的伴随状语,所以这句话的主语是单数形式,谓语动词也要用单数形式。希望能帮到你,祝更上一层楼O(∩_∩)O有不会的欢迎再继续问我(*^__^*) 追问 那为啥 不选 ab呢 追答 因为后面的时间状语是now,是现在进行时,所以不能选A(一般现在时)和B(一般过去时) 本回答由提问者推荐 已赞过 已踩过< 你对这个回答的评价是? 评论 收起 推荐律师服务: 若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询 其他类似问题 2014-11-01 Mr. Smith works in a factory. There he drives a truck. He’s tired all the time. When he comes b.. 2014-11-07 Mrs.Smith finds it hard to clear up the mess,as her children are always ________ whenever she t.. 1 2014-08-31 Mr. Smith lives in Toronto. He is a doctor. His wife teaches English in a middle school. They h... 2014-09-25 With several students , Mr. Smith came into t... 为你推荐: