We all do more speaking , even when we have a break after class .
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.