【題目】---Peter is still in hospital now and he regrets drinking and eating junk food.

---No one knows the value of health he has lost it.

A.whenB.sinceC.afterD.until

【答案】D

【解析】

句意：——彼得現(xiàn)在還在醫(yī)院，他后悔喝酒吃垃圾食品了。——直到失去健康，人們才知道它的重要性 。

考查連詞辨析。when當(dāng)…時(shí)候；since自從；after在…之后； until直到…才，分析句意可知，此處表示“人直到失去健康，才知道它的重要性”。no one否定詞，跟until連用表示“直到....才”故選D。

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