4．-I saw Lucy and her boyfriend in the park at nine yesterday evening．
-impossible．She          the Internet with me in my home then．（　�。�
A．surfedB．had surfedC．would surfD．was surfing

分析 ---昨晚九點(diǎn)我看見露西和她的男友在公園里．
---不可能．那時(shí)她正在我家和我一起上網(wǎng)．

解答 答案：D．根據(jù)impossible可知She          the Internet with me in my home then表示那時(shí)她正在我家和我一起上網(wǎng)，所以用過去進(jìn)行時(shí)，答案是D．其他選項(xiàng)的時(shí)態(tài)分別是A一般過去時(shí)；B過去完成時(shí)；C過去將來時(shí)．

點(diǎn)評(píng) 考查過去進(jìn)行時(shí)．
一般過去時(shí)表示過去某個(gè)時(shí)間里發(fā)生的動(dòng)作或狀態(tài)；過去習(xí)慣性、經(jīng)常性的動(dòng)作、行為，而過去進(jìn)行時(shí)表示過去某時(shí)正在進(jìn)行的狀態(tài)或動(dòng)作．

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