问题补充:
(·皖南八校第一次联考)He is only too ready to help others, seldom, , refusing them when they turn to him.
A. if never
B. if ever
C. if not
D. if anything
答案:
A. if never
(答案→)B. if ever
C. if not
D. if anything
解析:选B考查省略。句意:他非常乐意帮助别人,当别人求助于他的时候,他很少,如果曾经有过的话,拒绝他们。if ever“如果曾经有过的话”,符合句意。