Some psychologist believe that those who are encouraged to be independent, responsible, and competent in childhood are likely more than others to become motivated to achieve.

Million of people lost their jobs in the 90’s. This, in turn, caused social dissatisfaction with the political leaders who had promised jobs and prosperity.

You don't know her, _    ?

Agronomists study crop disease, selective breeding, crop rotation, and climatic factors, as well soil content and erosion.

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

Nam was playing football, _    ?

This floor doesn’t need no more wax; there’s plenty already.

During his twelve year there, Ellsi Marsalis turned the New Orleans Center for the Creative Arts into a rich training place for future jazz stars.

Carrie Chapman Call organized the League of Women Votes after successfully campaign for the constitutional amendment that gave women the right to vote.

Jill regrets having bought that second-hand laptop. She wishes she ______. 

Mary found it hard to concentrate on her work because the noise .

If people stop destroying animal's natural habitat, more species will survive and produce .......

................... blue is .................. color I like. 

Economists have tried to discouragethe use of the phrase “underdeveloped nation” and encouraging the more accurate phrase “developing nation” in order to suggest an ongoing process.

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

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

By the end of the month, I’ll be working for this firm for a year.

A computer networks usually includes either selected employees of a particular business or or people who do not work together but have similar interests.

John announced that he could not longer tolerate the conditions of the contract under which he was working.

Every society changes, but not change at the same rate or in the same direction .

Choose the correct answer to complete the sentence. "Nowadays the common method for drying vegetables and minced meat is putting them in chambers and blowing hot air through."