Mr. Smith, together with his two sons,_____Shanghai for about five months.
A.has leftB.has been away fromC.have leftD.have been away from
B

試題分析:句意:史密斯先生,和他的兩個(gè)兒子,已經(jīng)離開上海大約五個(gè)月的時(shí)間了。結(jié)合語境可知本句描述的是已經(jīng)持續(xù)了五個(gè)月的狀態(tài),故用現(xiàn)在完成時(shí)態(tài)。together with his two sons為伴隨主語,真正主語是Mr. Smith,故助動(dòng)詞用單數(shù),選AC表示瞬間動(dòng)作,不能和表示一段時(shí)間的時(shí)間狀語連用。故選B。
點(diǎn)評(píng):英語中的時(shí)態(tài)主要是借助于時(shí)間狀語與上下文語境來進(jìn)行判斷。解答此類題型,首先要注意句子中的時(shí)間狀語,如果沒有則要通過分析上下文,結(jié)合語境來判斷句子的時(shí)態(tài)。完成時(shí)態(tài)中的動(dòng)詞有瞬間動(dòng)詞和持續(xù)性動(dòng)詞之分,瞬間動(dòng)詞的過去分詞強(qiáng)調(diào)的是動(dòng)作的完成,持續(xù)性動(dòng)詞強(qiáng)調(diào)的是動(dòng)作的持續(xù)性,F(xiàn)在完成時(shí)態(tài)中表示一段時(shí)間的時(shí)間狀語不能和瞬間動(dòng)詞連用,持續(xù)性動(dòng)詞不能和表示瞬間時(shí)間的時(shí)間狀語連用,需注意區(qū)分。
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