多选题 Shin guards are protective gear worn in a (i) 1 of sports, from ice hockey to rugby, to protect against (ii) 2 leg injuries.
Blank (i)
A. variety
B. phenomenon
C. training
Blank (ii)
D. significant
E. frivolous
F. indefinite
【正确答案】
【答案解析】A, D.Choices A and D are the only ones that complete the sentence in a logical way.