改为复数形式 1、 it is a red orange .2、He is a teacher.3、what is this?.

1、 it is a red orange .These are red oranges.2、He is a teacher.They are teachers.3、what is this?.What are these?4、He is a Chinese boy.They are Chinese boys.What is this in English?it is a red orange 是不是They are red oranges.？你对，我一时糊涂，应该是:They are red oranges.？请多多原谅。Jim and I （）friends。am is are填那个？填 are 因为 Jim and I 是两个人。