Choose the best answer: 
...............are Chemicals that are used to kill unwanted plants, such as weeds.

Choose the best answer:

Thanks to computers, we can calculate difficult mathematic formula __________ lightning speed.

Choose the best answer:

Another man-made satellite has _______ up into space.

Many deaths associated with fires are not actual caused by the flames, but are rather the result of asphyxiation resulting from the decreased oxygen supply in burning buildings.

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

My father works for a construction company in__________.

It is common ____________ by car among Europe countries.

Choose the letter A, B, C or D to indicate the underlined part that needs correction:

If I (A) am you. I would (B) follow (C) his (D) advice.

Wearable sensors, such as the Fitbit, Nike FuelBand and Jawbone UP, _______ the most important part of the fitness world for the last few years.

When there are low sales, companies often decide developing new products

Choose the best answer to fill in the blank.

They used to drink beer for breakfast in England years ago.

=> Beer ________ for breakfast in England years ago.

The threat of being dismissed do not worry me any more because I have started my own business.

I am standing here _______ my friends. 

Choose the best answer to fill in the blank.

My uncle, _____ you met yesterday, is a famous lawyer in the town.

Choose the best option among A, B, C or D to complete the following sentence: " _______ we make a decision, does anyone want to say anything else?"

Choose the best option among A, B, C or D to complete the following sentence: "The novel starts ______ a child of unknown parentage is left at the house of the local priest."

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

Let’s go jogging now, _______________?

Almost all ships move through the Suez Canal with their own power, but large ships must be assisted by a tugboat.

Choose the correct answer to fill in the blank: 

They arrived home only to find their house_________ in their absence.

The ancestors of some French Americans originally came to The United State because of the French Revolution, that broke out in 1789.

Identify the mistake in each sentence below.

Some relatives of mine (A) like staying (B) at their cabin on (C) Lake Omega every summer holidays.(D)

Choose the best answer from A, B, C, or D.

Inside the old house was …………a church.