After arriving in the United Sates, this 20-year-old Chinese student found it rather difficult to ____ living on his own.

My wife usually saves some money by ________ the prices of everything she buys

first met Bryan I didn’t like him, but I________ my mind.

Huang Bo played some roles _________, he became very _______.

对下列句子中画线词的解释，有误的一项是（ ）