The number of workers _______________2000.
A．has reachedB．have reachedC．is reachedD．has reached to
A

試題分析：考查主謂一致。本句的主語是the number of..意為：…的數(shù)量；做主語的時候謂語動詞用單數(shù)形式。Reach是及物動詞，后面直接加賓語。句意：工人的數(shù)量達到了2000.根據(jù)句意說明A正確。
點評：注意number的短語：the number of(…的數(shù)量)作主語，謂語動詞用單數(shù)形式; a number of做主語，謂語動詞用復(fù)數(shù)形式。
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