This book tells ____ life story of John Smith, who left ____ school and worked for a newspaper at the age of 16.
The money collected should be made good use __________ the people who suffered a lot in the terrible flood in Beijing on the night of July 21, 2012, which caused great losses.
I am sorry you’ve been waiting so long, but it will still be some time __________ Brain gets back from his holiday.
— Can you explain ____ you have been late for school several times this term?— Sorry, but it is the first time that I have been late this week.
________ of you figures out the answer will be given a pack of candies weighting 2 pounds as a gift.
After _________ all the difficulties, he has developed a habit of facing everything bravely, and is now living a simple but full life.