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..............waste is one of the causes of air pollution.

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Today is ............... hottest day of the year.

Intelligent ___________ are widely used in many fields such as heavy industries, hospital medicine business, and the military.

The doctor told me I had to eat ______ sweets and drink______wine if I wanted to lose______ kilos. 

The plane from Dallas ................ two hours late, so I missed my connecting flight from Frankfurt to London.

I have English classes ________ day ; on Mondays, Wednesdays and Fridays.

If you make an error on the application form, it is advised that you discard it and ................... a new copy at the front desk.

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Children like Tet __________ they can wear new clothes and receive lucky money.

In the nineteenth century, composer Steven Foster wrote some of the most enduringly popular of all American songs, _________ soon became part of the folk tradition.

Choose the correct answer in each sentence.

Ms. Rodriguez will speak about a banking conference she  ________________  in Lisbon last month.

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That man has two________

"I can't speak English well enough to apply for that post." - "______." 

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The two small companies are going to ……….. at the end of the year.

I think your house really needs _________ 

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Because its latest exhibit is highly valuable, the Gabe Gallery took more precautions than it _______________   did in the past.

        _________________   your advice, I was able to avoid lots of trouble on my trip abroad.

He asked me who  ...........  the editor of that book.

Signs must be posted in the elevators that their maximum capacity may not ...............1,600 pounds, or 727 kilograms.

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________ shoes are always of various types.

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The proposed holiday schedule is --------- to most workers because they feel it is fair.

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Mr. Krause will reorganize the supply room ------- the cabinets are delivered.