The newly-built lab is ______ the old one.
| A．three times so big as | B．as three times big as |
| C．three times bigger than | D．three times the size |
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 |
I _____ you would come today. You _____ me a phone call in advance.
| A．don’t expect; should have given |
B．didn’t expect; could have given |
C．hadn’t expected; ought to give |
D．didn’t expect; can have given |