Our English teacher has __________ son.
With all his money, he ________ worry about a little thing like 5 cents!
—It's no easy task to catch a ticket on a website that receives 1 billion clicks daily. —I can't agree with you more. There ________ be errors for every single step.
The family ________ on time, but their car had a flat tyre on the halfway.
The public transportation is very convenient in that big city, so there ________ be any difficulty in traveling around.
—Is the letter from your mother? —Yes. But she ________ the letter herself, because she doesn't even know one word.