If you want to be a great man,----------,you should study hard.A at first B first of all C for

题目

If you want to be a great man,----------,you should study hard.A at first B first of all C for
If you want to be a great man,----------,you should study hard.
A at first B first of all C for the first time D the first

答案

选B
A at first 表示一开始,主要强调时间.
B first of all 表示最主要的,最首要的.
C for the fiirst time 第一次,for the first time ,i win the game.我第一次赢得了比赛.
D the first ,用在句子中,不能单独拿出来做插入语.