问题
选择题
"________Libya's oil production returns to normal, I guess, it will be fifteen months, " said a UN expert. [ ]
A. After
B. That
C. Before
D. Since
答案
答案：C
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"________Libya's oil production returns to normal, I guess, it will be fifteen months, " said a UN expert. [ ]
A. After
B. That
C. Before
D. Since
答案：C
