20．According to the report by BBC，"duang"has already spread like wildfire online．____ more
than 8million times on Microblog．（　�。�
A．having appearedB．appearedC．to appearD．appearing

分析 根據(jù)BBC的報(bào)道；"duang"這個(gè)詞已經(jīng)向野火一樣在網(wǎng)上傳播，在微博上出現(xiàn)了800多萬次．

解答 答案是D．本題考查分詞做伴隨狀語；現(xiàn)在分詞一般式做伴隨狀語表示分詞的動(dòng)作和謂語動(dòng)詞動(dòng)作同時(shí)發(fā)生或存在；本題中appear與謂語動(dòng)詞spread同時(shí)存在，故用現(xiàn)在分詞一般式做伴隨狀語，答案是D．

點(diǎn)評(píng) 首先判斷選項(xiàng)中的動(dòng)詞在句中是以謂語還是非謂語形式出現(xiàn)，然后根據(jù)選項(xiàng)在句中的功能結(jié)合非謂語的基本用法做出合理的判斷．要關(guān)注常見非謂語動(dòng)詞的搭配．

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