20．如果我預(yù)付款的話是不是有折扣？
Is there a discountprovidedif  I  payinadvance？

分析 如果我預(yù)付款的話是不是有折扣？

解答 答案是provided if；in advance．考查詞組in advance 預(yù)先，提前．"有折扣"即"提供折扣"，用動(dòng)詞provide表示"提供"．discount和provide之間是被動(dòng)關(guān)系，所以用過去分詞provided．句子后半部分是表示條件，所以用連詞if引導(dǎo)條件狀語從句．故答案是：provided if；in advance．

點(diǎn)評(píng) 解答此類題目，首先需要明確考查的句型或固定搭配，然后根據(jù)英語翻譯習(xí)慣和相關(guān)語法填寫正確的答案．

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