眾文分類字彙中文法一問 - 英檢

P.75 Cat Disease
第二段最後一句的文法
It is therefore advisable that all cats in such areas be given preventive
vaccinations.

其中that子句的減化我看不懂
原意應該是
that all cats in such areas should be given preventive vaccinations

我覺得要減化的話應該要改成
that all cats in such areas to be given preventive vaccinations


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