— I always feel a little nervous when I talk to the headmaster.— ______ . She is strict, but she’s also kind to her students.
--Is this ____ cap? --No, it’s not ____.
He is old, but he ____ have gray hair.
She ____ tall and she ____ short brown hair.
We are in the ____ school, but in ____ grades.
He’s Chinese ____ he has a big nose.