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题库 / OG2021-SC-822
Once made exclusively from the wool of sheep that roam the Isle of Lewis and Harris off the coast of Scotland, Harris tweed is now made only with wools that are imported, sometimes from the mainland and sometimes they come--as a result of a 1996 amendment to the Harris Tweed Act--from outside Scotland.
sometimes from the mainland and sometimes they come
sometimes from the mainland and sometimes
and come sometimes from the mainland or sometimes
from the mainland sometimes, or sometimes it comes
from the mainland sometimes, or sometimes coming
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考察知识点：
1. import from somewhere
2. sometimes... and sometimes...的并列结构
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