【題目】--- Why don’t you buy your son a new mobile phone, Mrs. Li?

--- Because he _______ his phone for less than one year.

A. has hadB. has boughtC. has gotD. has taken

【答案】A

【解析】

句意：——李太太，你為什么不給你兒子買(mǎi)一部新手機(jī)呢？——因?yàn)樗褂盟氖謾C(jī)還不到一年�？疾楝F(xiàn)在完成時(shí)。根據(jù)時(shí)間狀語(yǔ)for less than one year，可知?jiǎng)幼饕呀?jīng)完成，一直持續(xù)到現(xiàn)在，并有可能繼續(xù)持續(xù)下去，所以時(shí)態(tài)應(yīng)用現(xiàn)在完成時(shí)，而且謂語(yǔ)動(dòng)詞應(yīng)用延續(xù)性動(dòng)詞，buy、get、take是非延續(xù)性動(dòng)詞，表示動(dòng)作，所以排除；have是延續(xù)性動(dòng)詞，表示狀態(tài)；現(xiàn)在完成時(shí)的構(gòu)成為：have/has+動(dòng)詞過(guò)去分詞，主語(yǔ)he是第三人稱(chēng)單數(shù)，所以助動(dòng)詞用has，have的過(guò)去分詞是had；故答案選A。

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