—David, can you tell me where I will _______ a good second-hand bike at a low price?—You should turn to George, for he is a well-informed man.
With a lot of difficult problems ________, the newly-elected president is having a hard time.
The picture _______ on the wall is painted by my nephew.
The lady said she would buy a gift for her daughter with the ________.
_______ in 1636, Harvard is one of the most famous universities in the United States.
______ time, he’ll make a first-class tennis player.