问题
选择题
It rains very heavily in this area, which has _____ annual rainfall of 7,000 mm, _____ ideal environment for
forests. [ ]
A. the; an
B. an; 不填
C. an; an
D. 不填; the
答案
答案：C
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It rains very heavily in this area, which has _____ annual rainfall of 7,000 mm, _____ ideal environment for
forests. [ ]
A. the; an
B. an; 不填
C. an; an
D. 不填; the
答案：C