她回头看却发现一只可怕的狗正跟着她。 (look back over one's shoulder)
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 ______.
The patient's son asked the doctor the question________his father could survive the big operation.
I called the airline to________my flight reservation a week before I left for Toronto.