The first vaccine ever developed was used to combat and fight a small, a disease resulting from infection by a virus.

Don’t tell me I’m addicted to smoke if only have three cigarettes a day!

Somehow without my noticing,wallet had been disappeared

In the sixteenth century, Francois Vieta, a French mathematician, used the vowels “a”, “e”, “i”, “o”, “u” to represent a known number.

When he took the ticket out of from his pock a hundred dollar bill fell to the floo without his noticing.

Due to the latest forecast, the tun will be finished next year.

Choose the letter A, B, C or D to complete the sentences. " If you don't keep silent, you ________wake them."

Choose the correct answer to complete the sentence. "Volunteers believe that some of the _____ people in the world are those who help to bring happiness to others"

An artist, like a engineer, learns as much from their mistakes as from successes.

Urban consumers have formed  co-operatives to provide  themselves with necessities such groceries, Household appl, and gasoline at a lower cost.

Choose the correct answer to complete the sentence. "_____ been living with his cousin for two months, but he's looking to a place close to his university"

Children’s games, which are amusements involvemore than individual, appear to be culturally universal

The environment can be defined as all living and nonlived items in an area at a specify time.

Floods, earthquakes and other disaster happen all over the world, causing death and material damag

It was Mary Anderson, an amate invention, who first patented windshield wipers for automob.

We ........... today and I got into trouble because I hadn’t done it.

The first village ................. was not far from the capital. 

I’m just going to the shops; if anyone rings, tell them I will be back for few minutes.

I hadn’t understood his directions. However, I asked him to repeat he’d said.

Stars in our universe various in temperature, colour, bright, size, and mass.

The average salt content of seawa is more than three percents.