When I started ____ the big cake,someone knocked at the door.A.cut B.to cut C.cutting D.cuts

大火发生时我碰巧在那儿. i ____ ____be there when the fire started. I started playing tennis when i was seven years old.同义句I stared playing tennis ____ ____ ____ ____ seven. I started school when I was six I started playing football when I was six years old.(改为同义句）I strated playing football____ ____ ____ ____six. Sally started playing volleyball when she was ten.改为同义词Sally started playing volleyball ____ ____ ____ ____ ten. ①We have been learning English for three years.(改为同义句）We have been learning English___ ____ ____ ____.②I started playing tennis when was seven years old.(改为同义句）I started playing tennis ____ ____ ____ ____ seven. I started learning English when I was nine years old I started collecting them when I was6 years I started to like you when I first saw I started English when I was four years old句型 1.Lei Feng is still a __ in many people's hearts.2.I started learning English when I was four.(改为同义句)I started learning English ____ ____ ____ ____ four.3.It took her hours to study physics last night.(改为同义句）She ____ two hours _ When I started ____ the big cake,someone knocked at the door.A.cut B.to cut C.cutting D.cuts The film started.I got to the cinema.(When) I smelt a reat when he started being so kelpful 英语翻译I have no idea when ____ ____ ____ ____ . I started learning English when I was nine years old 改成同义句 I started learning English （） ( ) 请问When I started ice-skating与When did i start ice-skating,哪个对?谢谢! He started to learn the piano when he was seven改为同义句He started to learn the piano ____ ____ ____ _____seven四个空