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