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题库 / Prep2007E2-SC-145
The Kwakiutl recognized one social unit larger than the tribe--the confederacy, which was a cluster of loosely knit, informally related neighboring tribes who interacted with themselves more often than between other tribes.
tribes who interacted with themselves more often than between
tribes who interacted among each other more often than among
tribes who interacted with one another more often than with
tribes, interacting among each other more often than between
tribes, interacting among one another more often than with
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2 idiom errors in (b):
* "interact" MUST be paired with "with". "interact between" and "interact among" are unidiomatic.
* "among each other" is unidiomatic (as is "between each other"); you should write "among themselves" or "between themselves". but, again, this doesn't work with "interact" anyway, so the issue is moot here.
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