问题
选择题
Sam and Sandy are twin brothers. But Sam is than Sandy.
A. more outgoing
B. very outgoing
C. the most outgoing
答案
答案：A
题目分析：句意：Sam和Sandy是双胞胎兄弟，但Sam比Sandy外向。句中由连词than，所以此空应用比较级，所以选A。
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