21.Bob got seriously injured in the traffic accident, but luckily, the doctor came __________to save his life.
Our new English teacher made a strong ______ on all of us with his humorous speech.
________matters most in learning English is enough practice.
Peter’s jacket looked just the same as Jack’s,but it cost________his.
They ______ the train until it disappeared in the distance.
—I’ve got a headache again! —Sorry to hear that. Walk to work every day and you’ll soon back in ______.