cake // apple pie ——> dessert

can hardly wait to do —— > look forward to doing // can't wait to do // be anxious to do

can't fit it in —— > too busy

can't get away with that —— > will get into trouble

can't put the book down —— > the book is interesting

can't recognize —— > looks different

can't stick around —— > have to go

can't turn down an offer —— > be eager to go

carry out the plan —— > implement the plan

casual —— > informally