After several days of social activities, I decided to _ on my research on the human behaviors. A．fix...
2023-02-03 14:51:41 150次 20102011黑龙江大庆中学高一下学期期中英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
After several days of social activities, I
decided to _ on my research on the
human behaviors.
|
A．fix
|
B．settle
|
C．set
|
D．concentrate
|
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