3．--Stay a bit longer，please．It's been such____pleasure having you here．
--Thank you，but I've got____early start tomorrow morning．（　�。�
A．the；anB．/；anC．a；anD．/；the

分析 -請再待一會兒．有你在這兒是如此的開心．
-謝謝，但是我明天早上要很早出發(fā)．

解答 答案：C．It's a pleasure doing sth．做某事很開心，故用a，get a start出發(fā)，而early為元音字母開頭，故用an，故選C．元音字母或元音音素開頭的單詞，前用an．

點評 本題考查冠詞的用法辨析．學(xué)生應(yīng)根據(jù)冠詞的用法選擇合適的冠詞．

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57．A．ignoredB．checkedC．offeredD．shown
58．A．PracticedB．continuedC．stoppedD．began 
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