In 1950 , it was naively predicted that eight or ten computer would be sufficient to handle all of the scientific and business needs in the United States.

Two unique features of the Arctic they are lack of precipitation and permanently frozen ground.

There is nothing to eat, _    ?

Our tomatoes are ripen nicely, they’ll be ready to eat in about a week

At the awards banquet, the philanthropist was recognized for his generosity and careful in aiding the poor.

He scored so good a goal that a wild cheer raised from the stands.

It is necessary that the director will sign all the copies, not just the top one

I think she would forgive you if you ____ to speak to her. 

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

Sorry, I can't find the number. I remember writing it on ............. back of an envelop. 

A huge tree crashed through the bedoom roof and broke my bed and most of the other furniture. __________ in the room, I would have been killed. 

Learners can feel very ...... if an exercise is too difficult.

The more important theorem of all in plane geometry is the Pythagorean Theorem

In 1991, Antonia Novello, the Unites States Surgeon General launched several programs to address particular problem that young people have

Gold, silver, and copper coins are often alloyed whit harder metals to make them hard as enough to withstand wear.

Choose the best option:

She is a famous ___. She tries her best to protect rare animals from extinction.

 I'm on night duty. When you go to ..............bed, I go to ............ work. 

One responsibility of human beings is not to interfere with the actions of another people except in the face of injustice

“I doubt whether I can get through the test.” “If you did as I told you, you ____”. 

The brothers Grimm intended their fairy tales to be studied by scholars of German literature and not to enjoy as simple stories by children

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