On Halloween, children in America like to _____ as ghosts to frighten people.
--Where is your daughter working? --In the same company as I. I would rather she ___________ here.
In the experiment we kept a watchful eye ________ the development and recorded every detail.
--What do you think of the furniture on exhibition? --Well, great! But I don't think much of ______ you bought.
--Must I renew the book now? --No, you _____. You _________ that before the deadline.
--Hi, Linda. What do you think of Jack's performance at the sports meeting? --Not bad. You know, he came very close _________ the first place in the 100-meter race.