No one has ______ discovered a way to predict whether a substance will taste sweet, and it was by chance alone that all the man-made chemical sweeteners were found to be sweet.

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  I don’t know how …. my thanks to your kindness.

• Choose the best answer from the four options given (A, B, C, or D) to complete each sentence.

  Passengers should be_______that the airline is not responsible for lost or stolen items.

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  He has been waiting for this letter for days, and at ........... it has come.

   

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• I don't like those trousers, no matter how …………………….. they are.

• Choose the best answer from the four options given (A, B, C, or D) to complete each sentence.

  We are currently offering our new customers 15% ……… any service performed on or before march 18.

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  Factory officials reported that with the installation of the new machinery, errors  during ________ have decreased by 15 percent.

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  Funds raised by the local preservation society have helped ______ the historic  Jasenville train station.

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  The flight to Paris was ........ because of the storm.

• Choose the best answer to complete the sentence below.

  I have been learning English _______ I was twenty years old.

• _________ is the unit of money in many Latin American countries and the Philippines.

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  She has .............. provided a picnic lunch for us.

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  At Energy Coalition, Inc., our primary goal is to make solar energy more___________to all consumers.

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  She’s got the_____________to do well.

• Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

  Astronomers do not have sufficient information to determine what the solar system was created

    

• Choose the best answer from the four options given (A, B, C, or D) to complete each sentence.

  The Stellen Museum’s extensive _______ consist of a mix of ancient artifacts  and paintings from various cultures.

• Choose the best answer:

  As ............ as I know, I haven't received a bill for the new computer.

• Choose the best answer from the four options given (A, B, C, or D) to complete each sentence.

  You _________ better if you took this medicine.

• Choose the best answer from the four options given (A, B, C, or D) to complete each sentence.

  The............... fee for any of the Logistics Management courses is EUR 25 a person.

• The meteorological agency recommended that tourists to the region be…………dressed for frigid conditions.

• Choose the best answer:

  I have no ....... to his coming here.