Choose the correct answer to complete the sentence. "Such unhygienic conditions encourage the ______ diseases"

The evolution of fishes is a history of constant adaptation to new possibilities, and a refined of these adaptations.

Last night there was .......... singing outside my house. 

My mother doesn’t care how much does the washing machine cost because she is going to buy it anyway

Commercial letters of credit are often used to financing expor trade, but they can have other uses.

Choose the correct answer to complete the sentence. "These companies were accused of having released a ____ amount of carbon dioxide into the atmosphere."

When he took the ticket out of from his pocket, a hundred dollar bill fell to the floor without his noticing

Nara hardly never misses an opportunity to play in the tennis tournaments

One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

If I had known he is not at home, I wouldn’t have gone all the way to his house. 

Many poets enhance their work by creating a contrast among realism and symbolism in a given poem

I only noticed we were running lowly on petrol after we had passed the last filling station.

To receive a degree from an American university, one must take many courses beside those in one’s major field.

There is a rumour that the army is about taking power, though this has been denied by government sources.

He warned me to make an eye on my luggage as that place was full of thieves

I don’t feel as tired after a train journey so I do after a car journey

Philosophy, the inquiry into the nature of  human knowledge, it is still a very popular subject among university students

That it is believed that most of the earthquakes in the word occur near the youngest mountain ranges – the Himalayas, the Andes, and the Sierra Nevada.

The National Basketball Association will not let any athlete to continue playing in league unless he submits voluntarily to treatment for drug addiction.

The ancient Romans used vessels equipped with sails and banks of oars to transporting their armies

Dislike us , they are not very interested in sports and fitness activities.

Australian koalas are furry, gray animal that live in trees and feed on leaves.