( ) 15. Tom might have come to school in time for Professor Brown's lecture, .( ) 15. Tom might have come to school in time for Professor Brown's lecture, ______ .A. if he got up early B. unless he had got up earlyC. but

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( ) 15. Tom might have come to school in time for Professor Brown's lecture, .( ) 15. Tom might have come to school in time for Professor Brown's lecture, ______ .A. if he got up early B. unless he had got up earlyC. but
( ) 15. Tom might have come to school in time for Professor Brown's lecture, .
( ) 15. Tom might have come to school in time for Professor Brown's lecture, ______ .
A. if he got up early B. unless he had got up early
C. but he got up rather late D. but he had got up so late
是否能选D用过去完成时

根据语义，是要补充汤姆不会吃到的理由，所以D是明显不对的，为A

选 A might have done 表示可能已经做某事（事实却非这样）
D不能选，D的意思是：但是他已经起得如此的晚。had got 过去完成时态是指过去的过去做某事，这里显然不是过去的过去，而是过去而已。
A是表示如果他起得早的话，这里用一般过去时，强调get up 这个动作，才是正确的...

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选 A might have done 表示可能已经做某事（事实却非这样）
D不能选，D的意思是：但是他已经起得如此的晚。had got 过去完成时态是指过去的过去做某事，这里显然不是过去的过去，而是过去而已。
A是表示如果他起得早的话，这里用一般过去时，强调get up 这个动作，才是正确的

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两个英语习题求解!3.The space age__in October 1957 when the first artificial satellite was launched by the Soviet Union.A.initiated B.originated C.embarked D.commenced这个题选什么?这四个选项有什么区别,如何区分?4.Tom migh Accept the challenge migh as well翻译成中文 Tom is 15.Jack is 17.同义句【】+【++++++++】Tom?英文 Tom Ann Tom,Lily, tom是什么意思 talking tom Blind Tom Tom是什么意思 Tom designs TOM怎么样 Tom所有格? Major Tom 或 major Tom 英语翻译The uncertain advantages of public discussion of our conclusions and recommendations are,in our opinion,greatly outweighed by the clear and predictable danger of a crisis in public confidence which untimely publication of this Report migh 英语翻译Tom ahead.Tom forward run.Tom forward. I visited (Tom,Tom's)house yesterday. His name is (tom)tom提问