Tom didn’t believe in us, and it took along time to convince him.

As her focus changed, the love poetry that Edna St, Vincent Millay produced in the 1920’s increasing gave way to poetry dealing with social injustice

Some methods to prevent soil erosion are plowing parallel with the slopes of hills, to plant trees on unproductive land, and rotating crops

Dwelling primarily in the ice Northern Polar seas, beluga whales are characteristically small, white, agile, and elusive.

In 1977, Kathleen Battle was hired by the New York Metropolitan Opera, where her became the star soprano

Why did all the customers at the Red Lion have to pay off pay off their beer that week?

“You speak English well.” “Yes, but I wish I ____ another foreign language well too.” 

Our primary goal is to teach students to discover the truth. But we have also other aims, such as providing them with knowledge or to teach them to work consciously

One of the most difficult questions in defining sleep is “What are the functions of sleep?”

I wish you ______________ making that noise. It's bothering me. 

Thanks to a considerable number of material data, we know pretty much about ancient Egypt, but few historical records of Babylon are available.

With an annual income of fifty thousand dollars a year, he can afford to give a luxurious life.

Choose the correct answer to complete the sentence. "He was admired for _____ donated a lot of money to environmental protection campaigns"

In the United States, about 75 percent of the total tomatoes crop is processed into juice, caned tomatoes, sauces, pastes, and ketchup.

Friends advise her to stop doing the housework because her old age.

Choose the correct answer to complete the sentence. "Twenty per cent of all the birds in the world ______ in the rainforest"

The Joshua tree is marked by their sword shaped leaves and greenish white flowers.

................ swimming is .................. good sport. 

Choose the correct answer to complete the sentence. "This process of cutting down trees is ______ ‘deforestation'"

Each chemical element is characterized to the number of protons that an atom of that element contains, called it atomic number.

 Scientists sent ............ expedition to ............ Mars during .......... 1990s.