---What can I do for you? ----- If you _____ see Mr. Smith, give him my regards.
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.