4．The monitor needsadjusting （adjust） so that everyone can read what is on the screen．

分析 監(jiān)控需要調節(jié)（視頻角度）以便于每個人都能夠看清屏幕上的內容．

解答 答案：adjusting．
分析句子結構可知，本句的謂語動詞為need，后面跟動詞作賓語時需要使用動名詞形式，用主動形式表達被動含義；故答案為adjusting．

點評 對于句型轉換的題目要分析原句的句型結構，并找出同義句型或者相同意思的表達方式，或者使用非謂語動詞的形式，或者從句的形式以及一些特殊句式等，要根據(jù)句式結構特點進行靈活選擇．

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