It was____his mother came in____to prepare his lessons.A.not until ; did the boy begin B.until ;that the boy began C.until ;did the boy beginD.not until ;that the boy began答案选D为什么不能选A呢

It was____his mother came in____to prepare his lessons.A.not until ; did the boy begin B.until ;that the boy began C.until ;did the boy beginD.not until ;that the boy began答案选D为什么不能选A呢 it's your mother 急 关于due to,thanks to,owing to的选择题He kicked the ball into his own goal.It was____his stupidity____we won the game.A.thanks to,that B.due to,that C.owing to,which D.on account of,which答案A,为什么? My mother doesn't tell me it or give it to your mother ____ is Mother's Day It's_____May you can [ ]it to your mother The mother monkey l___her children eat it. It's mother's Day today. you chuck it on your mother whose is it?---it's my mother's. i wil tell my mother about it改为否定句 i____tell my mother about it Mother mother mother Mother mother Mother '