问题
选择题
Of the 300 passengers ____ the plane, 245 were killed and 55 were seriously injured. [ ]
A. abroad
B. aboard
C. board
D. broad
答案
答案：B
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Of the 300 passengers ____ the plane, 245 were killed and 55 were seriously injured. [ ]
A. abroad
B. aboard
C. board
D. broad
答案：B