Scientists study ____ human brains work to make computers.
--Is there a department store _______ I can get a birthday present for my brother?-- Yes, just across the street.
A teacher's________to the cause of education is worth great respect of the whole society because it brings countless benefits to the development of society.
His speech was heard by a group of judges, _________ agreed that it was the best one this year.
It was because I didn't attend the meeting ______ I had no idea about the matter.
There was______time when everything to do with__nature could keep Anne spellbound.