用括号中所给单词的适当形式填空。
Peter is a kind and ____________ (help) boy, and we all like him.
Excuse me, can I give me two ____________ (knife).
Daniel’s birthday is on the____________ (nine) of March.
Thanks for ____________ (invite) me to the party.
Look, there are so many ____________ (policeman) over there.
It’s ____________ (luck) to live in a community like that.
Do you want to do some ____________ (shop) with me this afternoon?
He will ask someone ____________ (fix) your bicycle. It doesn’t work.
My flat is on the ____________ (twelve) floor in that tall building.
This is my ____________(three) day in Russia.