问题补充:
John is very — if he promises to do something he’ll do it.
A. reliable
B. confident
C. independent
D. flexible
答案:
(答案→)A. reliable
B. confident
C. independent
D. flexible
解析:考查形容词:A. reliable可靠的,B.confident自信的,C. independent独立的,D. flexible灵活的,句意:约翰很可靠,如果他答应做事情他会做的。选A。