Standard ............... when performing certain experiments in the laboratory have changed over the past twenty years.

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• Choose the correct answer in each sentence.

  Heron Glassworks  ____________  student groups of all ages for weekday tours of its warehouse and production floor.

• Choose the correct answer in each sentence.

  Gassen Contractors guarantees customers top-quality handiwork on every job, ------ of how small.

• Choose the best answer among A, B, C or D that best completes each sentence: _____ you stop drinking,  you’ll feel better.

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• Choose the correct answer in each sentence.

  ----------- the candidate's official announcement that he will run for office, he met privately with his advisors.

• I tried to __________ them from going, but they wouldn’t take any notice.

• Everybody thinks that the play last night was very successful, ........... ?

• Anne would rather ___________ than anything else.

• Howard prefers that I ____ to his party.

• Choose the correct answer in each sentence.

  ------- its distinguished faculty in the science department, the university has state-of-the-art laboratory facilities.

• The city’s transit commission held a meeting last Friday on providing more ............... service to recreational places, such as the zoo, during the summer.

• Choose the best answer:

  The computer has had an enormous _________ on the way we work.

• He suggested ……………………… a double railway tunnel. 

• Choose the best answer: 
   My friend learns English ________. She always gets good marks.

• Choose the correct answer in each sentence.

  One of the supervisors questioned Ms.Marshall    her role in the misuse of the investment funds.

• They were extremely tired at the end of the journey because they  ........... for more than 24 hours.

• The business weekly magazine suggested that ................... shipping problems in the upcoming holiday season, businesses should encourage customers to shop early.

• I think listening to music while learning is good.” “________________________.” 

• Choose the best answer:
  They've .............a new tower where that old building used to be.

• Mr. Keating, the CEO, has ............... concern about rising fuel prices on our ability to effciently transport raw materials.

• Find the mistake in each of the following question: 

  Developing new technologies are time-consuming and expensive.