7．While shopping，people sometimes can't helpbeing persuaded （persuade） into buying something they don't really need．

分析 購(gòu)物時(shí)人們有時(shí)會(huì)情不自禁地被說(shuō)服買一些他們并不需要的東西．

解答 答案是being persuaded．本題考查動(dòng)詞短語(yǔ)can't help doing情不自禁；根據(jù)句意和邏輯，people 和persuade之間是被動(dòng)關(guān)系，即"人們禁不住被說(shuō)服"，故can't help后接動(dòng)名詞的被動(dòng)語(yǔ)態(tài) being persuaded．

點(diǎn)評(píng) 單詞填空必須在對(duì)語(yǔ)境整體理解的基礎(chǔ)上抓住指向答案的關(guān)鍵線索、固定句型或搭配等，同時(shí)注意所選詞的形式變化．

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