10．-Where is Peter？I can't find him anywhere．
-He went to the library after breakfast and ________ his essay there ever since．（　�。�
A．wroteB．has written
C．has been writingD．was writing

分析 --Peter在哪里？我到處找不到他．
--他早飯后去圖書館了并且自那以后就一直在寫論文．

解答 答案：C．
分析句子的內(nèi)容ever since可知，此處應(yīng)該指的是ever since breakfast，所以用現(xiàn)在完成進(jìn)行時(shí)，強(qiáng)調(diào)他一直在忙著寫論文，所以應(yīng)該使用現(xiàn)在完成進(jìn)行時(shí)，故選C．

點(diǎn)評(píng) 本題考查現(xiàn)在完成進(jìn)行時(shí)，表示從過(guò)去某個(gè)時(shí)間點(diǎn)開始的動(dòng)作，一直持續(xù)到現(xiàn)在，還可能繼續(xù)下去．做題時(shí)，重點(diǎn)體現(xiàn)一種強(qiáng)烈的情感．

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