They .when the fire alarm rang.A.cook B.cooked C.was cooking

They .when the fire alarm rang.A.cook B.cooked C.was cooking He enjoys＿＿ A、cook B、cooKs C、cooking D.cooked ___ is mom's job.A.Cook B.Cooks C.Cooking D.Cooked 翻译并语法说明 tom said he___at that time A.is cooking B.cooked C.was cooki I was reading a book （ ）the phone rang.A.before B.when C.as The door bell ＿＿when I was leaving.A.rang B.ringing C.rings The door bell _____ when I was leaving.A rang B ringing C ri I ＿＿ when she knocked at the door.A.cook B.cooks C.was cooki Mom ________ (cook) when the bell rang. it takes him one hour ____ A.cook B.cooking C.to cook D.cook ____is fun.A:cook B:cooker C:cooking D:cooks He says-----is for moms A to cook B cooks C cooked D cook