John is very ——if he promises to do something he’ll do it . A. independent B. confident C

问题补充：

John is very ——if he promises to do something he’ll do it .

A. independent

B. confident

C. reliable

D. flexible

答案：

A. independent

B. confident

(答案→)C. reliable

D. flexible

解析：考查形容词的区别。约翰非常的可靠，如果他许诺做某事他一定会做的，所以reliable为答案。