问题
选择题
_____ we _____ up with some other ways to solve this problem? [ ]
A. Should; to come
B. Ought; to come
C. Ought; come
D. Should; coming
答案
答案：B
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_____ we _____ up with some other ways to solve this problem? [ ]
A. Should; to come
B. Ought; to come
C. Ought; come
D. Should; coming
答案：B