The young couple was worried,because neither of them was aware ______ they had lost the necklace.
| A．of the place | B．of which |
| C．where | D．of where |
Thanks to ________ invention of the Internet, people can stay at home chatting with ________ friends online.
| A．the；the | B．不填；the |
| C．the；不填 | D．不填；不填 |
—The skirt is too expensive; its color is too dark, and...
—________. Is there anyone so particular like you?
| A．Take it or leave it | B．I don't care |
| C．Go ahead | D．Cheer up |
—Mum, I've finished my work.
—Good, and ________ you choose to play on your PSP or listen to music on your iPod, you mustn't disturb me.
| A．whichever | B．whether |
| C．whatever | D．no matter |
He ________ his gains and losses of money and the result was a minus.
| A．calculated | B．considered |
| C．completed | D．controlled |
Mr. Smith ________ his pupils how to prepare for the test since 8 am, but no one listens to him.
| A．has told | B．is telling |
| C．has been telling | D．will have told |