题目内容
---Hello! Mum. Long time no see!
---Hello! Mary. Are you busy these days? I am looking forward ____your phone.
A. to answer B. answering C. to answering D. notice
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题目内容
---Hello! Mum. Long time no see!
---Hello! Mary. Are you busy these days? I am looking forward ____your phone.
A. to answer B. answering C. to answering D. notice