One group of palace guards _______ off duty, and another troop arrives to replace them.

Many companies now advertise their new products by  distributing free ____ in public places.

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Your son ............... morning exercises everyday.

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Karen has not visited the Manchester site since she moved to New York two years  ________.

When I arrived at the meeting the first speaker______ speaking and the audience______ 

Light ............... are small planes with seats for no more than about six passengers. 

The fire ............... to have started in the furnace under the house.

I don’t understand what these results .................

Since Elgin was fired from the university, he has been forced to work hard to earn his............

It is high time we .................. something to protect our environment .

These two provinces are Canada’s business and  _______ heartland.

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--------- restructuring several departments within the company, the majority of the problems with miscommunication have disappeared.

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All meals _______________   at Pablo Restaurant are prepared from fresh and good ingredients.

Be clever to visit Westminster Abbey, one of Britain’s famous_______.

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Thanks to pictures taken by satellites, deserts have not ________ a mystery in our time.

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____________ are employees' medical expenses covered by the corporate medical insurance, but so are those of their spouses and children.

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The hill was so ________ that it took us more than five hours to climb up.

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The turnout for last week's music festival was much larger than expected,  __________  the unfavorable weather conditions.

.................. he had enough money, he refused to buy a new car.

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The restaurant has a  _____________  decorated room that is perfect for hosting childrent's parties.

.............. had the curtain been raised than the light went out.