----May I put luggage on the seat beside you, sir?-----_________.
When changing lanes, a driver should use his turning signal to let other drivers know _______.
After dinner they talked about the persons and things _______ they still remembered.
She was so amused with the magician’s tricks that she ________ a smile.
— Do you know the West Lake in Hangzhou? — Yes, this is the third time that I ____ this beautiful city.
Bob is determined to get a seat for the concert _______ it means standing in line all night for the ticket.