【单选题】
20. Your room is ____ than mine.
【单选题】
18. The earth is about ____ as the moon.
【单选题】
15.–What’s your brother like? –He is____.
【单选题】
6. I think science is ____than Japanese.
【单选题】
5. His father began to work ____he was seven years old.
【单选题】
13. The house is ____ small for a family of six.
【单选题】
10. It was very hot yesterday, but it is ____today.
【单选题】
12. When we arrived, we found the meeting room crowded with ____ students.
【单选题】
9. These children are ____this year than they were last year.
【单选题】
1. This box is ____that one.