【单选题】【消耗次数：1】
16. I have been climbing _____ Alps, But I never managed to get up_____ Mont Blanc.
①
the, /
②
. /, the
③
The, the
④
The, a
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相关题目
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I know the man by ____ but I have never spoken to him.
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chance
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heart
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sight
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【单选题】
I hope ___ the little ___ I have been able to do has been of some use.
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that; that
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what; what
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I often ______ the cooking for my family, but recently I have been too busy to do it.
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随机题目
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IgG<sub>1</sub>；
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ABO血型抗体
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