The poor boy _____ the test again; in that case, his mother will be very disappointed.
A. must have failed B. might fail C. could have failed D. should fail
—Don’t forget to take the message to my teacher.
—_____.
A. Yes, I will B. No, I won’t C. I don’t’ think so D. Sorry, I don’t
He _____ without saying good-bye to them, for he always has good manners.
A. mustn’t have left B. may not leave C. shouldn’t have left D. can’t have left
Why _____ you always interrupt me?
A. must B. may C. can D. will
If I hadn’t stood under the ladder to catch you when you fell, you _____ now.
A. wouldn’t be smiling B. couldn’t have smiled C. won’t smile D. didn’t smile
—Could I borrow your dictionary?
-—Yes, of course you _____.
A. could B. will C. can D. might
