Mr. Singh requested. ................from several catering companies before making his decision.

The group monitoring the election estimated that about ten percent of the ballots were not counted for ______reason or______.

Scientists are trying to ____ out the ways to reduce pollution from aircraft.

Find the mistake:

The earth is the only planet with a large number of oxygen in its atmosphere.

______ time he was a student, he did ______ but go to parties. 

Tom went to work despite .....................

Alter we have received your purchase order, we will be able to take .................. and complete your request.

Choose the best answer:
When she came home from school yesterday, her mother in the kitchen.

Choose the best answer:
There isn’t ……….water in the bottle.

Choose the best answer:
Researchers are making enormous progress in understanding ………………...

For those .................. are determined to attend the seminar, tickets are available at the Human Resources Department

“Is it alright if I use your bike?” “________________.” 

Choose the correct answer in each sentence.

One of the Interns ____________   that the logo on the second page of the sales report was upside down.

Choose the best answer:
It was the third time in six months that the bank had been held

“Thank you for driving me home tonight.” “__________________” 

Once you have your résumé with references and . ............. , please submit it to the Human Resources Department on the 3rd floor.

Choose the best answer:
During his............. the family lived in Cornwall.

Choose the correct answer in each sentence.

The penalties for canceling the cell phone contract early were  ________________  stated in the agreement.

Most scientists believe that the day when robots become part of our lives will come ____.

Ms. Maria Perreira is. ..............responsible for some of our company's most successful marketing campaigns.

He __________ having sent the anonymous letter.