2．Jackson has beendead （die） for 7years．

分析 杰克遜已經(jīng)去世七年了．

解答 答案：dead．
提示詞die是動(dòng)詞，意為"死亡"，根據(jù)所給單詞結(jié)合語境可以推測(cè)句意為""杰克遜已經(jīng)去世七年了．，由于動(dòng)詞die是非延續(xù)性動(dòng)詞，不能與表示時(shí)間段的短語連用，所以應(yīng)該改成形容詞dead，be dead 表示狀態(tài)，可以用在現(xiàn)在完成時(shí)中，表示延續(xù)了多長(zhǎng)時(shí)間，故答案為：dead

點(diǎn)評(píng) 本題考查用所給單詞的適當(dāng)形式填空，首先要根據(jù)語境明確句意，然后再根據(jù)相關(guān)語法對(duì)所給單詞在形式上做出正確的變化．

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