题干
— Jack, can you come to help me?
— Sorry, but I'm talking ________ the phone.
A：with
B：on
C：in
D：a
答案(点此获取答案解析）
B
— Jack, can you come to help me?
— Sorry, but I'm talking ________ the phone.
A：with
B：on
C：in
D：a
