a. What grade are you in? I’m in the sixth grade.你在几年级？我在六年级。

 What grade is Jenny in? She’s in the sixth grade, too.珍妮在几年级：她也在六年级。

 Oh, we’re in the same grade!噢，我们在同一年级！

b. What grade are you in? I’m in the first grade.你在几年级？我在一年级。

What grade is Qiaoqiao in? 乔乔在几年级？

He’s in the first grade, too.他也在一年级。

  Oh, we’re in the same grade!噢，我们在同一年级。