Harry Potter, for _____ life had once been very difficult, achieved great success and finally beat Voldemort.
--What is that building? --____________ the students have their dance classes.
When _________ by the reporter about his generous action, he said: “__________ others can always be joyful.”
When Rebecca came to, she did not know how long she __________ there.
--Can Tom help me with my Physics? --His Physics is ____________ yours. He failed the exam, too.
--He got the first prize in his math contest. --Yes, I wondered how he did ____________.