It is so hot in the classroom. Would you mind ____the windows—OK. I’ll do it right now.

, you really should cut down on sweets. You______ fatter every time we meet.

He visited the Effel Tower, which _____ to 1889, during his stay in France last summer.

He had hardly finished his meal ________ a familiar voice came to his ears.[ ]

In some westem countries, demand for graduates from MBA courses has .