Can you guess _______ the new Nike sports shoes—Yes, maybe he asked his grandpa for the money, I think.

18．On October 31st, known as Halloween, dozens of children ________ costumes knock at their neighbor’s doors and yell “Trick or Treat” when the door ________.

(2013·高考新课标全国卷Ⅰ)“You can’t judge a book by its cover，”________．

don’t think he is a person you canfor help.

They would rather spend time _________ than________ in the street.