Difficulty: Easy
Correct Answer: quarrelled between themselves.
Explanation:
Concept / Approach
Use ‘‘between’’ for two; ‘‘among’’ for three or more. With four sons, the reciprocal phrase must be ‘‘among themselves’’.
Corrections
Primary: ‘‘… quarrelled among themselves.’’Stylistic: ‘‘All four sons …’’ is crisper than ‘‘All the four sons …’’
Final Answer
quarrelled between themselves.
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