【C5】A．SinceB．After a whileC．AgainD．Before long

【C5】A．beforeB．whileC．whenD．after

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【C5】A．SinceB．AsC．ThereforeD．Although

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【C14】A．before longB．after longC．long beforeD．long after

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【C5】A．no longerB．for longC．before longD．long before

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【C6】A．sinceB．whileC．whereasD．before

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【C5】A．sinceB．soC．andD．but

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You’ll have more chances of promotion ______ you work hard.A、sinceB、whileC、asD、once

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