13.studying abroad can be hard, it can broaden your understanding of the word.A. IfB. Whil

发布时间：2020-08-15 03:06:41


13.    studying abroad can be hard, it can broaden your understanding of the word.
A. If
B. While
C. Because
D. Since

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A. If
(答案→)B. While
C. Because
D. Since
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