Do I need to show proof of return ticket during immigration?

入境审查时需要提供返程机票证明吗？

同一单元的其他句子

• My flight has been canceled. Are there any alternative flights available?我的航班被取消了，请问有其他可用的航班吗？
• I'd like to check my luggage through from Beijing to London. Is through-check available?我想把行李从北京直挂到伦敦，请问可以办理联程托运吗？
• Do I need to apply for a transit visa in advance or can I get it at the airport?请问过境签证需要提前申请还是可以在机场办理？
• My luggage was damaged during transit. I'd like to file a compensation claim.我的行李在运输过程中损坏了，我想申请赔偿。
• Does this flight offer special meals?请问这个航班上有提供特殊餐食吗？