单项选择题
While studying he was financially dependent （）his wife.
A.to B.of C.on D.from
单项选择题 The water was so（）that we could see the fish inside clearly.
单项选择题 As I had earlier made up my mind to run for governor, I could not（）I must go on with the fight.
单项选择题 The medicine the doctor gave me（）my headache.
