题目内容
—Wechat is an invention _______ can help people talk to friends, share photos, ideas and feelings freely.
—I think it’s very useful in our life.
A. which B. whom C. where D. whose
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题目内容
—Wechat is an invention _______ can help people talk to friends, share photos, ideas and feelings freely.
—I think it’s very useful in our life.
A. which B. whom C. where D. whose