30.—Why did you leave the lights burning?
—Heavens! I guess I__________to turn them off.
| A．would forget | B．had forgot | C．forgot | D．have forgot |
————.the website of www．google．com, and you will learn a lot about Obama’s first official visit to China．
| A．Searching | B．To search |
| C．Having searched | D．Search |
–How does a simple meal like this cost so much?
--We have____ in your bill the cost of the teapot you broke just.
| A．added | B．included | C．obtained | D．charged |
It’s reported that by the end of this week the stock exchange________ by about 10％.
| A．will have risen | B．has risen | C．will be rising | D．has been rising |
It is written clearly in the requirements that all passengers _______ check onto board thirty minutes before the plane takes off．
| A．may | B．can | C．will | D．shall |
How disappointing! We have finished _______ 5%
| A．no more than | B．no less than | C．not more than | D．not less than |