[解析]
W:Did you just move here? M:Yes,I moved in about a month ago. W:How many kids do you have? M:I only have one child. W:How old is your child? M:She just turned seven. W:So,she'll be in the second grade right now. M:Yeah.She's a second grader. W:I do have a class that I can place her in.But we need to know about her health condition first. M:That's wonderful.Thank you.