When asked why he went there, he said he was sent there for aspace flight.[ ]

The window is dirty—-I know It ______ for weeks

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

Has Judy returned from Hong Kong? I’d like to meet her.—I’m sorry, but she _______ back here only for last weekend.[ ]

The foreigners enjoyed themselves inJiuzhaigou and they were all withthe trip.