题目内容
—、单项填空
() 1. We keep in touch writing often. We enjoy using this way to communicate with each other.
A. with B. of C. on D. by
1.D
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题目内容
—、单项填空
() 1. We keep in touch writing often. We enjoy using this way to communicate with each other.
A. with B. of C. on D. by