16.The engine just won't start.Something seems             wrong with it.( 。
A.to goB.to have goneC.goingD.having gone

分析 發(fā)動(dòng)機(jī)就是發(fā)動(dòng)不起來了.好像是出毛病了.

解答 答案:B.
動(dòng)詞seem后常接動(dòng)詞不定式,因此C、D兩項(xiàng)不正確.由句意可知,go這一動(dòng)作在start之前發(fā)生,表示問題已經(jīng)在發(fā)動(dòng)機(jī)發(fā)動(dòng)不起來之前就已經(jīng)出現(xiàn)了,所以用完成時(shí);故選B.

點(diǎn)評(píng) 熟練掌握動(dòng)詞不定式的用法,了解現(xiàn)在時(shí)和完成時(shí)之間的差別.

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