状语从句1Dont worry.Bill will help you look after your dog when you _A_ away on business.(2016，重庆)AareBwereCwill be Dhave been2_C_ he was very tired，he continued working in his office.(2016，泉州)ABecauseBSinceCAlthough3We _A_ for a picnic if it _ rain this Sunday.(2016，邵阳)Awill go；doesnt Bwill go；wont Cgo；doesnt4Lu Han is _A_ an excellent actor _ most teenagers like him.(2016，龙东)Asuch；that Bso；that Ctoo；to5Look out！Look at the traffic lights _A_ crossing the road.(2016，永州)Abefore Bafter Csince6Jenny didnt go to bed _D_ her mother came home last night.(2016，南充)Aas soon asBifCwhileDuntil7Why were you late for school this morning，Tom?I was about to go to school _D_ it began to rain.(2016，玉林)Asince Bwhile Cas Dwhen8I really want to join the square dance.Can I learn the dance well?Yes，Mom！Nothing is impossible _A_ you put your heart into it！(2016，随州)Aas long as Bas soon asCeven if Dunless9Could you help me with housework _A_ you are free today？(2016，无锡)Asince Bthough Cunless Duntil10Mom，could I watch the game show now?Sorry，you cant watch it _D_ you clean your room.(2016，资阳)Awhen Bif Cafter Duntil11Its a good habit to wash your hands _D_ you have meals.(2016，孝感)Aunless Bwhile Cwhen Dbefore12On those foggy days，you could hardly see anything around you _D_ it was at noon.(2016，无锡改编)Aso Bbecause Cbut Dthough13The book is _A_ interesting _ I cant put it down.(2016，贺州)Aso；that Bsuch；thatCtoo；to Dvery；that14When shall we begin our trip？(2016，西宁)Well set out _A_ our head teacher arrives.Aas soon as Bever sinceCso that Deven though15Zootopia，the cartoon，is popular _B_ there are many lovely animals in it.(2016，大庆)Athough Bbecause Cif Dbecause of16The students cant go home _D_ they finish cleaning the classroom，for its their duty.Awhen Bsince Cif Duntil17He is training very hard _D_ he can win a gold medal in the Olympics.(2016，黄石模拟)Aeven if Bsuch thatCeven though Dso that18Mother was worried because her son was ill，especially _C_ Father was away in France.Asince Bfor Cwhen Dbefore19He always thinks Im wrong，_A_ I may say.Awhatever Bhowever Cwhenever Dwherever20How long have you been away from the village?Well，it is ten years _A_ I left there.Asince Bbefore Cafter Dwhile21Let me know _B_ you arrive there safely.OK.I will give you a call _ I get there.(2017，预测)Asince；when Bwhen；as soon asCas soon as；until Das soon as；since22Will you go shopping with Mary this afternoon?Im not sure _D_ she will come.If she _ come，I will go alone.(2017，预测)Aif；wont Bif；willCwhether；wont Dwhether；doesnt2