18. Acupuncture is very popular in Asia,             many people get help from doctors professionally trained in it.
(A) where
(B) when
(C) that
(D) which

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統計： A(61), B(3), C(6), D(17), E(0) #2194326

詳解 (共 1 筆)

#4716853
where關副=介系詞+關代where=...
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