How strange! These years my birthday always falls _____.
_______ in the 1800s and first mass-produced in Germany, the harmonica(口琴) was designed to play simple folk tunes.
The old scientist has been invited to a party ________ next Monday evening.
As soon as she entered the room, the girl caught sight of the flowers ________ by her mother.
________ he had won the first prize, he felt very happy.
________ their lessons, they went to the cinema.