If a computer crashes，you will lose the file you _____ on if you don’t save it early enough.
| A．are working | B．work | C．will work | D．worked |
I don’t like any humor in this serious speech because I can’t think of any circumstance ______ this would be beneficial or useful.
| A．which | B．whether | C．where | D．as |
—Do you understand the film The Hobbit, the most amazing US-made one last year?
—______, but I am confused at many scenes.
| A．Not a little | B．Not a bit | C．Just a bit | D．No problem |
What a pity! He ______the only chance of success.
| A．put down | B．threw away |
| C．gave in | D．broke off |
I told Sally how to get here, but perhaps I ______for her.
| A．had to write it out | B．must have written it out |
| C．should have written it out | D．ought to write it out |
Don’t try to cheat the taxman(税务人员); you’ll never ______it.
| A．get out of | B．get into | C．get away with | D．get along |