________ has already been pointed out, only by correcting mistakes can you make progress.
A.ItB.AsC. ThatD.What
B

試題分析:考查固定句型,固定句型As has already been pointed out意思“正如已經(jīng)指出的那樣”, It可以做形式主語或形式賓語;That只起引導(dǎo)作用,沒有意義;What表示什么,可以引導(dǎo)從句,句子意思“正如已經(jīng)指出的那樣,只有通過糾正錯(cuò)誤你才能進(jìn)步”
點(diǎn)評(píng):固定詞組是?純(nèi)容,平時(shí)要多記多積累,只要知道它們的意思,做固定詞組題時(shí),就很容易做出正確選擇
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