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题目内容
（大学英语1）
1.Hi.this is Alex speaking.
-Sorry._____
A.who are you?
B.tell me who that is?
C.I can.t hear you well.
D.I don.t know you.
-Sorry._____
A.who are you?
B.tell me who that is?
C.I can.t hear you well.
D.I don.t know you.
参考答案