对seven提问用什么?

对seven提问用什么? I am in Grade Seven.对Geade Seven提问 Mary is in Grade Seven(对seven提问) they are in class (seven)对seven提问 Seven girls in our class have cats.对seven提问 There are seven days in a week对seven提问 We have seven ctasses every day(对seven提问） There are seven pencils in the pencilbox对seven提问 nancy drew seven pictures yesterday 对seven提问 Three from ten is seven.(对seven进行提问) I want seven yellow flowers. 对seven提问怎么做? Jim is seven对句子中的seven提问 lt's seven now .对 seven 部分进行提问 对for seven years提问两格 Tom usually goes to school at seven 对当中的at seven提问用英语怎麽说卷子里的 there are seven toys on the table用seven提问 it's seven thirty 用what提问 It's (seven thirty-five).对括弧部分提问