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CET-6词汇语法模拟题集（7）免费下载，
is so good.
[A] doubt[B] ensure
[C] wonder [D] presume
2. When it rains the ground becomes very ____ and makes it difficult for people to walk on.
[A] messy[B] solid
[C] muddy[D] fragile
3. What a(n) ____ that I was
CET-6词汇语法模拟题集（7）
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