[多益] 朗文改錯一題

[winniethree (如果的事)]

Those having problems with mathematics, which are an exact science,
                                        ^^^^^^^^^

have to train themselves to be analytical.


標示的地方是改錯說得錯誤的地方

但前面不是those having problems嗎?

後面的which are要怎麼改><?




謝謝

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