单项选择题
话务员请对方稍候的用语,不恰当的选项是()。
A.Just a moment,please.B.Would you hold the line,please?C.Let’s keep in touch,please.D.Don’t hang up,please.
单项选择题 I’m afraid I didn’t()that. Could you say that again,please?
单项选择题 Can you()me well? We have a poor connection.
单项选择题 扑救()阶段的火灾,一般需要受过专门训练的消防人员才能完成。