问题
选择题
There _____lots of fish in this river, and birds catch ______for food. [ ]
A. are, them
B. are , it
C. is, it
D. is , them
答案
A
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There _____lots of fish in this river, and birds catch ______for food. [ ]
A. are, them
B. are , it
C. is, it
D. is , them
A
