问题补充:
A few looked at him curiously when he suddenly stopped and burst out crying.
A. passers-by
B. passer-bys
C. passers-bys
D. passer-by
答案:
(答案→)A. passers-by
B. passer-bys
C. passers-bys
D. passer-by
解析:本题考查名词复数。passer-by的复数应在主要名词上加S,故为passers-by。句意:当他突然的停下来大哭起来,一些路人好奇的看着他。