In a person’s lifetime, the brain can store 100 trillion pieces of informations.

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

The composer Verdi has written the opera Aida to celebrate the opening of the Suez Canal, but the opera was not performed until 1871 

The knee is more likely to be damage than most other joints because it is subject to tremendous forces during vigorous activity.

The Humber River and its valley form a major salmon-fishing, lumbering, hunting , and farmer region in western Newfoundland, Canada.

Research has proved that a baby can distinguish its mother’s voice the moment he is born.

He had so a difficult exercise that he couldn’t do it .

As the numeral of older people increases, services for the elderly will soon represent one of the fastest-growing areas of employment.

Intelligence , education, and experience all helps to shape management style

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

If we hadn’t got lost, we ____arrived much earlier. 

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

If she bought that house now, she ran out of money. 

Choose the correct answer to complete the sentence. "In the past, a lot of countries ______ having contributed to global warming"

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

The health of our children is being ...... by exhaust fumes.

Psychologists at the University of Kansas has studied the effects of the color of a room on people’s behaviors

Since the computer was invented, the work of accountants have been simplified.

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

If I ____ the flu, I would have joined you for the trip. 

Although there are more than 2,000 different variety of candy, many of them are made from a basis boiled mixture of sugar, water, and corn syrup

Nobody bothered with telling me that the school had decided to have a special holiday on Friday