.All hope of finding the missing plane ______, the relevant authorities declared the crew and passengers ______．

.Despite UNICEF’s efforts, dirty water ______ for disease spreading in southern Iraq at the very moment.

.The moment I arrived there, I found all the food supplies had ______.

—I ______ for you for two hours, but in vain. Where did you go?                           
—I ______ at my uncle’s.

.—Can you give some advice on what I said just now? ?
—Sorry. My mind______.?

I demanded that he _____ English to help him improve it gradually.

. --- How about the food I ordered? I __________ for 20 minutes.
--- Sorry, sir. I will be back with your order in a minute.

Believe it or not, the Great Wall, which _______ by people, should be protected at once.

Not until then did I find it _________to do the job that way.

– You ought to see a doctor about that cough.
-- I guess I should. I _____ it off for days.