问题
选择题
—More than fifty students competed _______each other in the composition competition.
—But they could only compete _______three medals.
A．in; for
B．against; with
C．against; on
D．with; for
答案
答案：A
考查介词。句中compete in在……方面竞争；compete for为……而竞争。句意——超过50名学生在作文竞赛中彼此竞争。——但他们只争夺3块奖牌。