Before going to the History Museum,our teacher told us__the public rules.A.obey B.to obey C.obeying D.obeyed

He usually c________ the emails before going to bed Mother( )the room before she's going to bed. Close the windows well before going to bed.为什么before后要跟动词ing形式? 一个英语的句型转换He sticks to finishing the homework before going to bed.(同义句)He ____ ______ finishing the homework before going to bed. Miss Li will go to see you before she ____ to the USAwill goto gogoesis going We have to finish all the work before going to bed（）（）?反义疑问句 He said that he was going to visit China before long and he had the idea long before.这里long before 与before long Close the windows well before going to bed.close为什么要用原型? He usually c the e-mails before going to bed 填什么、 改错!Do you make a list for the things you want to buy before going shopping? what about making ashopping list before going to the supermarket 改为同义句 would you please take the bed yourself before going to bed ,改错 She often before going to bed.Now she is in the bathroom he reads books before going to bed be used to going out before 请问这句可以吗:Please inform our Asset Mangers to attend the meeting before going to the party.-谢 英语翻译this means going back to the place where we left the family sleeping in a tree the night before. Will they stop___ else before going to the station?--Will they stop___ else before going to the station?--No.They will go straight to the station.(A).anywhere.(B).somewhere 为什么？