While watching television,____      


  1. A.
    the doorbell rang
  2. B.
    the doorbell rings
  3. C.
    we heard the doorbell ring
  4. D.
    we heard the doorbell rings
C
解析:

試題分析:句意:當(dāng)我們看電視時(shí),門鈴響了。這里while引導(dǎo)的是省略的從句,完整的是while we are watching television,當(dāng)從句的主語與主句的主語一致時(shí),并且從句的謂語動(dòng)詞有be時(shí),可以把從句的主語與be都省去,故主句的主語也應(yīng)該是we,所以排除AB;這里是hear sb do聽見某人做某事。故選C。
考點(diǎn):考查省略的用法。
點(diǎn)評(píng):本題難度適中。為了使話說得簡明扼要,英語句子中某個(gè)單詞、短語甚至從句或主句都可以省去。這種省去句子某些成分而保持句子意思不變的現(xiàn)象,稱為省略。它是高中階段的重要的語法項(xiàng)目,需要考生仔細(xì)分析句子結(jié)構(gòu),來確定省略的內(nèi)容。即學(xué)即練: He is rather difficult to make friends with, but his friendship,__   is more true than  any other.A.once gained           B.when to gain C.after gaining        D.while  gaining解析:A。句意:once gained =" once" it is gained。當(dāng)狀語從句的主語和主句的主語一致且從句中含有be動(dòng)詞時(shí),可省略從句中的主語和謂語部分。
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