— It’s so cold today.— Yes, it’s colder than it was yesterday.
He is ________ honest boy. And he is _______ student in our class.
The Yellow River is the second _______ in China.
The little boy can’t speak English ______ his twin sister.
Sally always comes to school early and she is _______ late for school.
–--What is the best way to relax? –--I think the best way to relax is ______ exercise.