—Big animals can be a lot of trouble. Maybe you should get a small pet, like a bird. —______.
Miss Zhang hopes ______ a teacher.
The ______you work at your lessons, the _______ results you will get.
All the students are talking and laughing in the classroom and it’s _______.
This history book is _______ that one, but ______ than that one.
This place is not big enough for Lucy’s birthday party. We should find a _______ one.