题目内容
填词，使句子完整：— We’d like to book two tickets, please.
— Will that be one-way or __________?
答案：round-trip
提示：
提示：
| 单程 one-way；往返（双程）round-trip
|
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题目内容
填词，使句子完整：— We’d like to book two tickets, please.
— Will that be one-way or __________?
| 单程 one-way；往返（双程）round-trip
|