There are a lot of benefits to do __________ researches.

Choose the letter A, B, C, D to indicate the correct answer to each of the following questions:

If he ________ the truth, the police wouldn’t arrest him.

Choose the word or phrase (a, b, c or d) that best fits the blank space in each sentence.

Let’s look_______ the town this afternoon.

California has more land under irrigation than any another state.

We work with many people who are different from us because every persons are unique

Choose the best answer:

Computer is a good source of information and __________.

Choose the best option among A, B, C or D to complete the following sentence: "This book contains a series of elementary exercises _______  learners."

Choose the correct option A, B, C, or D to complete the sentences.

We always eat_____ local food when we are abroad.

Find the mistake: Wind tried to avoiding answering her questions last night.

Choose the best option A, B, C, or D to complete the sentences.

In the world today people _____around 2,700 different languages.

Choose the word or phrase (a, b, c or d) that best fits the blank space in each sentence.

Flights from Boston were canceled _________ bad weather.

The first experiment was __________, so we need to do another one.

If the teacher were here now, we’d ask him the difference __________ “science” and “technology”.

Choose the best answer: 
Emissions of pollutants into the air can ..........changes to the climate.

Identify the mistake in each sentence: 

An X-ray microscope enables (A) a person to see on (B) solid materials such as (C) metal and bone (D).

Supply the appropriate forms of the words in the brackets.

This type of_________  screen enables drivers to have a clear view even when it is smashed. (SHATTER)

Choose the correct option A, B, C, or D to complete each sentence.

In many big cities, people have to_____ up with noise, overcrowding and bad air.

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

He got a new alarm clock__________ he'd get up on time.

These engines used being started by hand. But now they are started by electricity.

Choose the correct answer to fill in the blank: 

I had_______ on my face after I remembered the wrong day for her birthday party.

Choose the best answer:
 You have read this article on the website,…………?