6. Leave the reference books behind,_________ you won’t be able to think independently. .
7. A bus driver is responsible ____________ the safety of his passengers.
8. This is the man _________ last night.
A. whom I saw him
B. whom I saw
C. who I saw him
9. I took it for ______ that you wouldn’t come here again.
10. It’s __________ to point to or talk about strangers in public.
11._________ important it is for kids to imagine freely!
C. What an
12. ---__________ father took part in the charity activity in the neighborhood yesterday?