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10春学期《大学英语(四)》在线作业一
( r1 e8 t1 H# Q8 U" K) @试卷总分:100 测试时间:--# a, n: |. Y# \1 P; s/ O
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一、单选题(共 20 道试题,共 100 分。)V$ P0 N, N! f9 I: G6 m
1. 17. We have not seen our next-door neighbors for weeks. They __D____ somewhere for holiday.9 r8 G% f1 l9 Q0 m; p
A. should have gone
* O" R; Z6 J# Q' K2 B6 vB. need have gone
) h; S, z5 L& y4 `C. ought to have gone
* f; K! c* W6 W6 q6 ~; {2 Z# dD. must have gone% i5 @9 L! I+ ~
满分:5 分 |
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