单项选择题

We are ______ to the following business principles in all countries.

(A) prevented
(B) scheduled
(C) committed
(D) contributed

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单项选择题

______ located, the resort area is as close to both the downtown and the airport as you can drive a car yourself.

(A) Convenience
(B) Convenient
(C) Conveniences
(D) Conveniently

单项选择题

______ one of our specials has been ordered yet and we still cannot find why.

(A) No
(B) Not
(C) Any
(D) None

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