Motivation and personality may ________ the varying d egrees of success in one ’s career.
正确答案： A
本题解析：
A . 说明，解释，是……的原因 ; B 请求，申请 ; C 冒风险，担风险 ; D 供应(给)，提供(给)
The house was quiet in the night, ________ the occasional coughing from my throat.
________ in thought, he almost ran into the car in front of him.
By the middle of the 21st century, the vast majority of the world ’s population will be living in cities _______ in the country.
The government called out policemen to suppress the riot.
The missing boys were last seen ________ near the river.
The policeman came up to the lonely house with the door _______, _______ there for a while and then entered it.
_______ he goes, she will go, and she never cares _______ happens.
______ the new plan can be carried out will be discussed at the meeting tomorrow.