题目内容:
[交际用语]- Hello, who is calling? - _________
A Mary is out. B Hello, this is William from IBM. C It's me. D Can you guess?
参考答案:
答案解析:
[交际用语]- Hello, who is calling? - _________
A Mary is out. B Hello, this is William from IBM. C It's me. D Can you guess?