Choose the best answer among A, B, C or D that best completes each sentence: …… the secret of how to make silk remained inside Asia, Europeans were forced to pay incredibly high sums of money for this mysterious material to be brought overland to Europe.

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The leader demanded from his members a serious attitude towards work, good team spirit, and that they work hard.

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Those who attend the creative writing workshop will learn a variety of useful methods ________ the next two days.

Did_______ happen? No, nothing happened. 

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Mount Vesurius is an............. volcano.

 There will be______ film festival in which ______ of the films come from Middle Eastern countries.

Choose the best answer among A, B, C or D that best completes each sentence: We’ve been invited to their wedding anniversary, ____ we decided to go.

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Gelden Petrochemical exports products to deputy customers _____________   the world.

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Hype Tech's new database software has ------- search capabilities to provide more the relevant results.

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Remember to ..............your shoes when you are in a Japanese house.

The Wallace Goldberg Committee of Environmental Awareness unanimously _____ the technical team of Walpole Enterprises for their annual award.

 Take______ things or you'll regret it; don't take ______ jewellery either. 

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Financial adviser Jenna Sotulo helps professionals devise a  ______________  for managing their finances.

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Ms. Choi offers clients ________________   tax preparation services and financial management consultations.

Whenever I visited her, my grandmother ........  my favorite cake for me.

When you are in a western country, your host may open a wrapped gift in front of you. Opening a present in front of the gift-giver is____  polite.

They   ........   actions to stop the blaze spreading. However, they didn’t do that.

Most of my friends enjoy ..........  football on television.

By the time a baby has reached his first birthday, he should  ............. sit up or even stand up.

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Musitto, Inc., has been producing cutting-edge phones with _____________   long battery-run times.

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Portsmouth's agricultural industry has always found ways to ___________   itself by growing different crops and finding new markets.