问题
选择题
Huge amounts of oil have been found on the Gulf of Mexico floor, the effects of _____ are still being left. [ ]
A. it
B. that
C. which
D. whom
答案
答案：C
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Huge amounts of oil have been found on the Gulf of Mexico floor, the effects of _____ are still being left. [ ]
A. it
B. that
C. which
D. whom
答案：C
