Some of us have to study their lessons more carefully if we expect to pass this examination.

We call her as ‘Auntie Flo’, though she is not really in any relation to us

All almost the electricity for industrial use comes from large generators driven by steam turbines.

The teacher taught her students to look careful to the left and the right at least three times before crossing the highway.

The world oceans have risen on average of 6 inches over the past 100 years, which has been considered as an evidence that global warming has an effect.

Afterwards I’d read the manual, I found I could use the computer easily

Men and women in the Peace Coips work with people in developing countries to help them improving the living conditions

He can speak English, _    ?

David is talking to his friend, _    ?

Did you read ............book I lent you ............ last week. 

The term “metabolism” refers to the chemical changes which by living things transform food into energy

It was Vitus Bering, the Danish sea captain, who discovered Alaska on its voyage to Russia in 1741.

A City University Professor reported that he discovers a vaccine which has been 80 % effective in reducing the instances of tooth decay among small children.

The society was set up to ...... endangered species from extinction.

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

If the doctors find in the remedy, a lot of people would be saved. 

We really enjoyed the children’s imaginative and excited play last Saturday.

For many years, people have wondered that life exits elsewhere in the universe.

After the accident there was a solid line of cars stretched back for several miles

Choose the correct answer to complete the sentence. "Land erosion is mainly caused by widespread _______"

...............January is ...................first month of the year. 

The village that I was born and grew up is situated on the Red River.