问题
The river that is seriously polluted is________ danger to the villagers.
A:a
B:an
C:the
D:/;
B:an
C:the
D:/;
正确答案是：
同类题型
(2014·山东省实验中学一模)—Have you graduated from Shandong University?—Yes.I________there for 4 years
It is well-known that the panda lives _____there isplenty of bamboo
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