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更正在括号处标明,保证准确率!
keeping a diary in English does a great (number改成deal) of good to English study. Keeping a diary can help (yourself改成you) review all the English konwledge you have (learn改成learned/learnt). For example, you must know the correct spelling of each word (need改成needed) in the diary. You'll have to use the phrases (correct改成correctly) and choose (去掉from) the suitable patterns. Meanwhile. it is also necessary to (using改成use) your knowledge of English, (also改成and) to form a habit of thinking in English. Practice (make改成makes) perfect. By and by, your English writing will be greatly improved.

keeping a diary in English does a great deal of good to English study.
Keeping a diary can help yourself review all the English konwledge you have learnt.
For exampl...