Choose the correct answer in each sentence.

After hours of searching, the source of the water leak was _______________   identified by the plumber.

Choose the best answer:
It's very cold in here. Do you mind if I turn.............. the heating?

__________is wiping out many kinds of plants and animals.

Choose the correct answer in each sentence.

If you are not satisfied with your purchase  ___________  CXT Electronics, return it within 30 days for a full refund.

Choose the correct answer in each sentence.

As soon as both sides reach _________   terms, the licensing contract will be signed.

Choose the correct answer in each sentence.

As part of the writing workshop, participants will read their compositions ------ to the group.

The webpage for each course must be ................. before the students start their classes on January 7th.

Choose the correct answer in each sentence.

Before you distribute the report, ask Ms.Burns to check that  _________  has all the necessary information.

Choose the correct answer in each sentence.

Additional details  ______________  the workshop will be sent to everyone who has expressed in attending.

Choose the best answer:

When I started to work here I needed a lot of help, but now I ___________ all the work on my own.

Lucy: “You look really nice in that red sweater!” Sue: “______.”

“I hear the Golden Bridge is a good film” – “_____________________ ”

Choose the correct answer in each sentence.

Investigators visited the site to ensure that it complied with the  ______________  regulations in the field.

Find the mistake in each of the following question: 

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

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

No wonder the vacuum cleaner isn't working. You haven't ____ it ____.

Your e-mail, .................... in transit, is potentially visible to anyone outside your enterprise who might have access to your server.

Choose the best answer among A, B, C or D that best completes each sentence: Jane is a very good student of languages. Her brother Michael, ….... Has never been able to master another language.

.................. those applicants who have graduated after four years at an accredited university will be considered for the position.

............... the flight delay, they didn’t attend the conference.

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