_____what you are supposed to do and aren't supposed to do in social situations may be difficult，but it is_____ the trouble if you want to understand another culture.（ ?。?/h1>
【考點(diǎn)】動(dòng)名詞作主語(yǔ)；副詞詞義辨析．
【答案】C
【解答】
【點(diǎn)評(píng)】
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發(fā)布：2024/4/20 14:35:0組卷：8引用：1難度：0.6