Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

15,589 species (7,266 animal species and 8,323 plant species) are now considered ___________ risk_____________ extinction.

Choose the best answer:

He'd rather ...... up late tonight.

Choose the best answer:

I found it ............ to learn English by myself.

If you______better last night, you wouldn't have been so tired now.

Mary took her brother to school for him ________ English.

Choose the word or phrase (A, B, C, or D) that best fits the blank space in each sentence.

In the near future, a teacher will act more like a(n) ______ than a giver of knowledge.

When a patient's blood pressure is much higher than it should be, a doctor usually insists that he will not smoke.

Choose the best answer:

I rang the bell but there was ............ at home.

 If the machine _______, press this button.

I am a_________. I learn six days a week at school.

 I_______ in the lounge for ten minutes.

Men often find it hard to express their_________.

We were so tired after __________ several hours __________ round the ancient sites the town that we hired a taxi to get back to our hotel.

Mark the letter to indicate the correct answer.

John F. Kennedy wouldn’t have died in 1963 if he ……………to Dallas.

I’d rather you _____________a noise last night; I couldn’t get to sleep.

Choose the best answer:

The leading causes of ...... in many developing countries are now heart disease.

Choose the best option to complete the following sentences.

Biotech drugs, which are …………… from living cells, provide some of the best efforts at curing diseases such as diabetes, Alzheimer’s, Parkinson’s, and HIV.

The company did not want to hire a man that his experiment was so limited.

Go______and then take the first right.

Choose the best answer A, B, C or D for the sentence: " Peter was in New York last week; he _______ in Washington D.C. three days earlier."

Choose the correct answer to complete the sentence: "When my brother _____ to bed, he had switched off the lights."