Please excuse me _______ your letter by mistake.
________in the computer games,the boy no longer put his heart into study.
Dr. Bake is a professor of physics. ________,he is a famous writer.
No matter how I tried to read it,the sentence didn’t ________to me.
You should read the ______in the car repair manual(手册)carefully before you start.
Who is ________the fire in the kitchen?