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She was ______in the middle of the hall.
A、lonely
B、alone
C、aloneness
D、aloneest
【正确答案】：B
【题目解析】：带有a-前缀的形容词如(afloat, afraid, aghast，akin, alert, alight, alike, alive, alone, aloof, amiss, asleep, ashamed, averse, awake, aware, awash等，只用作系动词的表语。