选词填空（每小题1分,共10分）

His mother couldn’t______to pay for her child’s education.
Last summer I had an ______to volunteer at the local hospital.
Then put the burned area under cold______ water.
The photo _____be Liu’s.Those are his parents.
I______classical music to pop music,
Do you know where John is? He was going to meet me earlier but he didn’t   _____
Fred is afraid of flying. He feels _________before he gets on the plane.
I _________ some clothes to charity because they were too small for me.
Please _________ the classroom. It’s   a real mess.
I  can’t  _________ which pair of  jeans to buy. They both look good on me.