________ we go to the McDonald's? I'm sick of the food there.
A．Need B．Can
C．Shall D．Must
With all his money, he ________ worry about a little thing like 5 cents!
A．can B．must
C．may D．should
—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.
A．should B．must
C．can D．will
The family ________ on time, but their car had a flat tyre on the halfway.
A．would arrive B．could arrive
C．must have arrived D．could have arrived
The public transportation is very convenient in that big city, so there ________ be any difficulty in traveling around.
A．mustn't B．wouldn't
C．shouldn't D．needn't
—Is the letter from your mother?
—Yes. But she ________ the letter herself, because she doesn't even know one word.
A．needn't have written B．can't have written
C．might not have written D．should not have written
