He’s good ___ swimming.Swimming is good ____ his health.
— Look at the students in Grade 7, they look ______ cooler in military uniform(军服). — I agree with you, they look smart.
They are his students. ______ is _______ teacher.
—Your coat is very nice. —_________________
He wears ________ today.
—_____ do they have in the desk?— Some books.