问题
选择题
California is home to 4,426 species of plants, and nearly half of________are found nowhere else. [ ]
A. which
B. them
C. what
D. that
答案
答案：B
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California is home to 4,426 species of plants, and nearly half of________are found nowhere else. [ ]
A. which
B. them
C. what
D. that
答案：B