小白兔,謝謝回答. The original question is: Is there any period in US not covered by your DS2019? 我真的不用填現在的F1 period嗎? 還有當時我的DS-2019 end at May 1st, 我旅遊到May 23rd才走,我應該怎麽填寫呀? 謝謝