Choose the correct answer in each sentence.

Maintaining quality products and services along with a high level of customer satisfaction is ------ for business success.

Choose the best answer:

Peter ..................... his test yet.

Choose the letter A, B, C or D to complete the sentence below
The Sahara is one of the harshest environments on Earth, covering 3.6 million square miles (9.4 million square kilometers), nearly a third of the African continent, about the size of the United States …...….. Alaska and Hawaii.

Can I_________you a favor? I need a ride to the doctor's office tomorrow morning.

Choose the correct answer in each sentence.

Mr. Sokolov  ____________  a positive review of his stay at the Olana Hotel.

More than ten victims ................. missing in the storm last week.

Choose the correct answer in each sentence.

________ parking attendants on duty, all employees will gather to hear the announcement from the general manager.

Choose the correct answer in each sentence.

As an acknowledgment for the successful completion of the internship, Mr. Phillips wrote letters of   _________ for the interns.

Choose the correct answer in each sentence.

____________ the poor weather, the annual staff picnic will be postponed until next Friday.

Leave it in the oven until it ................ brown.

Choose the correct answer in each sentence.

The overall achievements of the social media marketing team _____   by the number of people following the organization on social channels.

It is believed that the word ‘chess’ comes from ‘shah’, the Persian word for ‘king’ and that ‘checkmate’, the game’s winning _______

Deserts are often composed of ________ and rocky surfaces.

Choose the correct answer in each sentence.

If you do not bring your library card, you will be asked to   __________ a form of identification before entering the library.

Choose the correct answer in each sentence.

Ms. Huyn is reviewing the training manual to see if updates ___________

Choose the best answer among A, B, C or D that best completes each sentence: The sky was grey and cloudy…..,  we went to the beach.

It never  ............... my head that such great Bulgarian rose festivals would be held in Hanoi, our capital city.

Choose the correct answer in each sentence.

 The first thing managers need to do is learn how they can ____________   with employees.

Choose the correct answer in each sentence.

Researchers must sign in at the visitors registration table upon ___________   the Briston Literary Archive.

Choose the correct answer in each sentence.

The board of directors   _____________  has not formed a project team, however, announcement is expected by the end of the mouth.

The winner of the contest was given a(n) ............... for her excellent performance.