--- Have all the students known that we will have an English exam this Saturday?--- Yes. Every student ______ about it.
You______buy Tom a present if he invites you to his birthday party.
This umbrella is____that one,but____than that one.
The 6-year-old child is old enough_______ himself.
Shanghai is bigger than______in Jiangsu and bigger than______in China.
---Who is that girl sitting there____? ---Well, if you must know,her name is Jenny.