But for the help of the kind policeman, we ________ our way to the hotel in this foreign city.

A．wouldn't find B．wouldn't have found

C．would find D．would have found

I ________ sooner but I didn't know that they were waiting for me.

A．had come B．was coming

C．would come D．would have come

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

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