Neither of them knows the difference ______ the two and we can’t tell one ______ the other, either.
To enjoy the scenery, Irene would rather spend long hours on the train _____ travel by air.
Professor Smith, along with his assistants, _____on the Project day and night to meet the deadline.
He met his previous teacher ________ at abroad.
Tom, ______ yourself .Did you forget the school rules?
He is the only one of the students who ______a winner of a scholarship for three years.