Do you know if your son will go Shanghai?If he _____,so _______A does,does mine B does ,will mine C will,does mine D will ,will mine不知选哪个?为什么?

If you should change your mind,do let me know中的do什么意思 If you know what will you do I know nothing in the world is impossible if you set your mind to do it. 用适当的词填空：Do you know if your mother___(stay)at home tomorrow? 求翻译Do you know if your dad wear size medium or large on Ralph Lauren Do you know your classmates ____ (good)? Do you know your student n______ your are my baby ,do you know Do you know your _______(parents) birthdays? Do you know your parents' birthdays? Do you know when your father---- l do not know.But if he ----- ,l will tell youAcomes comes B will come comes If you do not use your arms if you don not know hou to do it ,piease ask your teacher_some_ A.for,help B.for,helps If you should change your mind,do let me know.虚拟语气在这句话中是怎么体现的? Do let me know if that is ok with you along with your address and time .请帮忙翻译, When was your mother born Do you know (合并成一句)Do you know () your mother () ()? 句子不理解do you know if you have enough money? let me know if you change your mind如提