---If there are _______ people driving, there will be _______ air pollution.---Yes, the air will be fresher.
Alice found difficult for her to go through the small door.
Jim is a taxi driver, _________he really wants to be a doctor.
She do some reading at home than shop in the street.
— Jack always comes first in the exams, but he never . — What a modest student!
— How much difficulty did you have this problem? — None.It’s quite easy.