问题
选择题
Sometimes, money is tight and on other occasions time is tight; on ________ occasion, a travel is out of
the question.[ ]
A. all
B. any
C. either
D. every
答案
答案：C
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Sometimes, money is tight and on other occasions time is tight; on ________ occasion, a travel is out of
the question.[ ]
A. all
B. any
C. either
D. every
答案：C