---Don’t forget to take your cell phone.

   ---But it’s just been announced that no students       bring cell phones to school.

       A．shall  B．may  C．can    D．will

According to the newly-made traffic regulation, whoever drives through red light ________ be fined at least 200 dollars.

—John, how did your English exam go? 

— I thought I _____, but in fact I came in the top 10% in the class.  

       A. should have failed                         B. might have failed

       C. couldn’t have failed                       D. mustn’t have failed

The missing children haven’t been found yet. Something terrible ________ to them.

“Without Chinese toys, kids around the world ________ not have so much happiness.” said an European Union official.

--- Mum, I am feeling tired and sleepy now.

    --- You         so late last night.

       A．couldn’t have stayed up   B．mustn’t have stayed up

       C．shouldn’t have stayed up D．needn’t have stayed up

Thank you for all your hard work last week. I don’t think we ______ it without you.
   A. can manage              B. could have managed 

C. could manage  D. can have managed

—Will you stay for lunch?
   —Sorry, ____________. My brother is coming to see me.
A.I mustn’t        B. I won’t        C.I needn’t         D. I can’t 

We        such great progress without your efforts. Thanks a lot.

   A. shouldn’t have made                       B. couldn’t have made

C. were unable to make                         D. mustn’t have made

I ____come yesterday, but I couldn’t.

A. was to have     B. must      C. ought      D. have to