Laura __________ in the office for 4 hours. Tell her to have a rest, please.
A．worksB．was working C．workedD．has worked
D

試題分析：句意:Laura在辦公室里工作了4個(gè)小時(shí)，請(qǐng)告訴她讓她休息一下。work 是一個(gè)動(dòng)詞，意思是工作。根據(jù)句意可知，Laura在辦公室已經(jīng)工作了四個(gè)小時(shí)，應(yīng)該用現(xiàn)在完成時(shí)，故選D。A是一般現(xiàn)在時(shí)，表示經(jīng)常性或習(xí)慣性的動(dòng)作；B是過(guò)去進(jìn)行時(shí)，表示過(guò)去某個(gè)時(shí)間正在發(fā)生的動(dòng)作；C是一般過(guò)去時(shí)，表示過(guò)去時(shí)間發(fā)生的動(dòng)作。
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