C)用所给单词的适当形式填空。(5分)
1．Help (you)to some soup，boys and girls．
2．Thanks for (keep)the secret for me．
3．Where will you choose (sit)on the bus?
4．Is Tian’anmen Square (big)city square in the world?
5．Kitty’s teacher invited me (join)in their school trip to the World Park．
