In such a fierce petition, a person has to make every effort if he .
A. has succeeded
B. is to succeed
C. would succeed
D. will succeed
网友回答
A. has succeeded
(答案→)B. is to succeed
C. would succeed
D. will succeed
解析:考查时态。if he is to succeed的意思是“如果他一定要成功”,这是一种常用结构,全句“在这样激烈的竞争中,一个人如果一定要成功,就得全力以赴”。