Malaysia Airlines Flight MH370 seemed to have been ______ to only a mystery after so long and hopeless a search

He __________ any cooking at home.

I was greatly impressed __________ the speech by the mayor of Shanghai before the final voting for EXPO 2010

The Whites _______many places of interestsince they came to China.

hy wasn’t John hired for the job — I don’t know, but he ______.