7. After 15 years in the USA, Jane finally decided to American citizenship.A. concentrat

发布时间：2020-08-16 06:04:00


7. After 15 years in the USA, Jane finally decided to      American citizenship.
A. concentrate on
B. apply for
C. 1ook for
D. appeal to

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A. concentrate on
(答案→)B. apply for
C. 1ook for
D. appeal to
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