问题
选择题
He did the work all by himself.
A. already B. together C. alone
答案
答案：C
考查介词短语的用法。他独自一人做的这项工作。alone="by" oneself.故选C。
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He did the work all by himself.
A. already B. together C. alone
答案：C
考查介词短语的用法。他独自一人做的这项工作。alone="by" oneself.故选C。