4．Robert is said________ abroad，but I don't know what country he studied in．（　�。�
A．to have studiedB．to studyC．to be studyingD．to be studied

分析 據(jù)說Robert已經(jīng)出國(guó)學(xué)習(xí)去了，但是我不知道他在哪一個(gè)國(guó)家就讀．

解答 答案：A．
從后半句看"我不知道他在哪個(gè)國(guó)家學(xué)習(xí)"中的時(shí)態(tài)studied為過去時(shí)態(tài)，所以前半句，據(jù)說"Robert 在國(guó)外學(xué)習(xí)"表示他已經(jīng)在國(guó)外學(xué)習(xí)了一段時(shí)間了，是狀態(tài)的延續(xù)，所以要用完成時(shí)．B．to study，時(shí)態(tài)不對(duì)C．to be studying；"正在學(xué)習(xí)"，句中并沒有體現(xiàn)正在學(xué)習(xí)的意思，也不對(duì)D．to have been"學(xué)習(xí)"這個(gè)動(dòng)作沒有表達(dá)出來．故選A．

點(diǎn)評(píng) 理清句子之間的邏輯關(guān)系以及分析句子的成分是解決這類題的一個(gè)關(guān)鍵．尤其是對(duì)句意的準(zhǔn)確理解和翻譯也是很重要的．

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