In this letter, ABC Company is promoting ______. [br] It seems the recorder shou

游客2023-09-28  26

问题 In this letter, ABC Company is promoting ______. [br] It seems the recorder should be ______.

选项 A、connected with the telephone wire
B、connected without notice of the coming speaker
C、placed very far from the telephone set
D、placed almost anywhere in the room

答案 A

解析
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