Many students’ failures________their carelessness in every examination.[ ]

His sacrifices for the country were never officially________, which made all of us feel discouraged.[ ]

We _________back in the hotel now if you didn’t lose the map.

Mum, would you please buy me an MP5 player?—If you can help do the dishes the whole vacation, you ________ have one as a reward.

If you don’t want to choose the thinner one, ___.