（题文）— If you help us solve the problems, you may go to America for a free trip.—

题干

（题文）— If you help us solve the problems, you may go to America for a free trip.
— It’s a very nice ________, but I really can’t accept it.

A．reason

B．excuse

C．offer

D．decision

上一题下一题 0.65难度单选题更新时间:2016-10-11 06:33:06

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