Question

【题目】—How do I improve my math grades?
—_______, you should listen to the teacher carefully.
A.First of all
B.At the first
C.Begin
D.At last

Answer 1

【答案】A
【解析】句意：—我怎么才能提高我的数学成绩？—首先，你应该认真听老师讲课。firs of all首先，第一；at the first+名词，比如at the first place,at the first time；begin开始，是谓语动词；at last最后。根据句意，故选A。