If he is once ______ laughing, he finds ______ difficult to stop.
| A．set about; that | B．set out; this | C．set force; which | D．set off; it |
31. —I dare say you will definitely miss your flight if you don’t hurry.
—Oh, _____. It’s almost the time.
| A．so will I | B．I do so | C．so I will | D．so will you |
30. Had it not been for the fact that I _____ absent, I would have asked you to do this right now.
| A．had been | B．were | C．should be | D．Was |
29. _____ a girl’s brain is better organized to send and receive speech, we generally talk to them more.
| A．Although | B．Since | C．For | D．When |
28. This morning Ms. Green entered our classroom, and _____ us something important about the coming exam, left.
| A．having told | B．told | C．telling | D．to tell |
27. The SAT is an excellent means of testing students. _____, it shouldn’t be only one of the many methods used.
| A．Therefore | B．And | C．However | D．Besides |