Make a reservation in advance, _______ you would risk having to wait for a table.
A．thereforeB．otherwiseC．insteadD．somehow
B

試題分析：考查副詞辨析。句意：提前預(yù)約，否則你可能會(huì)不得不冒險(xiǎn)因?yàn)榈却砀�。therefore因此，所以；otherwise=or否則，要不然；instead相反，而不是；somehow無(wú)論如何，多少有點(diǎn)。根據(jù)固定句型：祈使句，+ and/or(otherwise) 主語(yǔ) + will/would + v判斷B正確。
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