The stuck on the outside of the envelope said By Air.A. labelB. ticketC. signalD. sign

发布时间：2020-08-14 23:34:04

The      stuck on the outside of the envelope said By Air.
A. label
B. ticket
C. signal
D. sign

网友回答

(答案→)A. label
B. ticket
C. signal
D. sign
解析：　label 标签，标记。signal信号. sign记号；指示牌：traffic signs (交通版示)。notice布告。
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