Her son, to whom she was so_________, went abroad ten years ago.
You might as well expect a river to flow backward ____ us carrying out the plan.
________had the worker who was badly injured in that accident stopped breathing and died________ doctors arrived.
So fast _____it is difficult for us to imagine its speed.
You should know _______to spend all your money on those impractical fancy goods.
— I don’t think he is studying English in his room now.— Oh! ________?