1.Can your sister speak English?你的妹妹会说英语吗？2.Your dress is beautiful.你的连衣裙真漂亮。3.Thanks a lot for your help.非常感谢你的帮助。4.How often does Tom exercise?汤姆多久锻炼一次身体？5.Could I borrow your magazine?我可以借一下你的杂志吗？