6. --- I don’t know ______ I can improve my English. --- You can read some English books and magazines.
---What’s your best friend like? --- .
Sam spends _____ time ______ CDs than Daniel.
When something ______ me, Ialways feel ______.
The Changjiang River is one of __________ in the world.
He is __________ honest boy. And he is __________ student in our class.