单选题
Abraham was a person who loved to read. He had lo study and learn ______.
A、
on his own
B、
of his own
C、
by his own
D、
at his own
【正确答案】
A
【答案解析】
[名师精解] on one's own是固定词组，意思是“自主”。其他表达在英语中没有。 [解题秘籍] on one's own指“自主”，of one's own accord指“自愿”。
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