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【題目】Don't be afraid of asking for help ________ it is needed.

A.unlessB.untilC.althoughD.when

【答案】D

【解析】

句意:當你需要幫助時,不要害怕尋求幫助。

考查連詞。unless除非;until直到;although盡管;when……時候!it is needed”表達的是時間狀語,用when引導狀語從句,故選D。

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