摘要：official n.
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There is a(n) _______ bus service into the center of town, which makes it much easier for farmers to go to sell their vegetables there.
A. frequent B. gradual C. official D.reasonable
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There is a(n) _______ bus service into the center of town, which makes it much easier for farmers to go to sell their vegetables there.
A．frequent B．gradual C．official D．fluent
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John is a(n) _____ caller of my blog and always leaves a few words to me.
[ ]
A. official
B. frequent
C. fluent
D. upset
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B. frequent
C. fluent
D. upset