According to the rules and regulations, all payments ________ be made in cash in the shopping center.
A．shall B．can
C．must D．should
Look! There are so many mistakes in your composition. You ________ have fixed full attention on it.
A．can B．should
C．need D．might
________ 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
