They all appeared ___ this song before.
The children ______ local accent when staying with the natives.
--Shall I ______ addresses with you ?---OK. Hongxing Road, No 53. Yours?
One of the world’s largest art galleries is the Louvre, ______ in Paris, which is also famous for its restaurants and theatres.
It is amazing that the little boy can swim ______the river ______100 meters wide.
In order to meet the deadline, Professor Smith along with his assistants the project day and night.