单项选择题
A. You must wear your evening dress. B. You don't have to wear evening dress, but you can if you tike. C. Evening dress will make you look nic
Export documentation may be required for non-EU destina...
单项选择题Export documentation may be required for non-EU destinations. Packages sent outside the EU（）
A. must be documents only. B. will need special documents. C. might need special documents.
