问题
选择题
John is very __________. －if he promises to do something he’ll do it.
A．independent
B．confident
C．reliable
D．flexible
答案
Ｃ
考查形容词词义。A项独立的；B自信的；D灵活的均不和句意； 根据后句关键词promises ----he'll do it "可知他是"可靠的，可信赖的"，选C。