Necessary : You have to get a visa if you want to visit the USA., Possible: Tourists can stay for a maximum of six months. , Not necessary: Tourists don't have to get a driving licence., Not possible: You can't work in Australia without a work visa. ,

Modals (Basic 5)

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?