在预订机票时,“往返机票”的正确说法是() A: two-wayticket B: round-tripticket C: openticket D: singleticket
在预订机票时,“往返机票”的正确说法是() A: two-wayticket B: round-tripticket C: openticket D: singleticket
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在预订机票时,“往返机票”的正确说法是() A: two-wayticket B: round-tripticket C: openticket D: singleticket