When you are home,give a call to let me know you safely．A．are arriving B．have arrived C．had arrived D．will arrive请问此题为什么用完成时啊?答案是B谢谢

when you coming home 为什么不是when you are coming home a fire can happen when you'are sleeping at home.____ can ____a fire when you'are sleeping at home. Can you pay a visit to my home when you are free?t Can you _____ ____ ___ my home when you are free Maybe you are bored when you stay at home alone on Sundays.You ___ _____bored when you stay at home alone on Sundays. wishing you a very safe and happy trip when you are backing home翻译中文 what do you usually do when you are at home该怎样回答 when you are almost along the memory of love will bring you home 翻译成中文 What will you do when you are __ (孤独）at home? Are you ___ when you are___ at home?A.alone,alone B.lonely,alone选择 英语：when are you to leave for home 为什么不是do you呢? I am sleep!when you go home?what are you doing? When should you arrive to your friend's home if you are invated for a dinner 下面两句英语短句哪句对?When you are at homeWhen you at home when are you going to go home?这句话正确吗? when are you going to go home after school?的意思 Be careful not( to fall ) ill when you are away from home.填的对吗 when your parents are not at home,you should take care of y____ who_______supper when you are not at home this evening?A.cooks Bcooking Cwill cook Dcooked