Choose the best answer from the four options given (marked A, B, C, or D) to complete each sentence: 

You really saw a UFO, __________?

________ his illness, he had to cancel the appointment.

Many theories on conserving the purity of water has been proposed but not one has been as widely accepted as this one.

While studying the chemistry of human body, Dr. Rosalyn Yalow won a Nobel Prize for the research she conducted on the role of hormones.

The athlete, together with his coach and relatives, are travelling to the Olympic Games.

Choose the best answer from the four options given (marked A, B, C, or D) to complete each sentence. 

Have you ever met the man _________ Mary’s cousin? 

The camp on the inhospitable, mosquito-infested banks of the River Sekonyer, was set up to track the primates and learn from their habitat, diet and behavior.

Identify the error in each sentence: (A) What I say about (B) these problems (C) are my (D) own affair.

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

 It is__________ to go swimming.

Choose the letter A, B, C, or D to show the underlined part that needs correction:

My brother stopped (A) to smoke (B) because it was (C) harmful (D) for his health.

Some trees such as the Banksias need to be burned periodically so that the seeds would open and germinate

The bodies of cold-blooded animals have the same temperature their surroundings, but those of warm-blooded animals do not.

They are known that colds can be avoided by eating the right kind of food and taking exercise regularly

While they were away at the beach, they allowed their neighbors use their barbeque grill.

Karen hasn’t decided still if she wants to run for the Presidency again this year.

Choose the letter A, B, C or D to complete the sentences

Do you think that Hue Imperial is ___________ preserved?

According to many educators, television should not become a replacement for good teachers, and neither are computers.

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

The party,_____________ I was the guest of honor, was extremely enjoyable.

While searching for the wreckage of a unidentified aircraft, the Coast Guard encountered severe squalls at sea.

VOCABULARY AND STRUCTURES: Choose the best options 

Many people were injured when the building _________. 

Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

If she ______________rich, she would travel around the world.