23. Endorphins are ______ the body produces after you get some exercise. These chemicals give you a sense of
happiness.
(A) how
(B) that
(C) what
(D) which
詳解 (共 7 筆)
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who、which、that 引領的關係...
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原句可以省略以下部份,不影響結構 En...
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"what" 和 "that" 關係子...
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內啡肽是身體在運動後產生的物質。這些化學...
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what=the thing that(...
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Endorphins are what ...