The worker bees choose one baby from the hive to become the new queen and then feed it royal jelly made for pollen and saliva.

Charles Lindbergh’s feat put him in a position from which _______ the development of commercial aviation.

Mining over 2,000 years ago, copper is one of the earliest known metals

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

It was____________ to listen to the story.

In _______ most social situations, _______ informality is appreciated.

Choose the correct answer. "Acupuncture is a treatment ____ illness when thin needles are positioned at special body’s points."

In some species of fish, such the three-spined stickleback, the male, not the female, performs the task of caring for the young .

Included in the series are “The Enchanted Horses”, among other famous children’s stories.

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

Only by booking in advance_________ stay in the room you like.

Choose the correct answer. "Your immune system normally adjusts ____ your environment."

Choose the correct answer. "____________ on the allergen, this response may involve inflammation, sneezing, or a host of other symptoms."

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

My teacher always gives us a clear________.

Each of the luxury cars in the showroom was quickly sold to their new owner.

Choose the best answer:

Drinking much wine is _____ to your health.

Choose the best answer.

................ is harmful to our health.

All the schools throughout of the country underwent the educational reform

The Radium Institute__________in 1917.

That hotel is famous ________ it’s pleasant atmosphere and fine food. 

Before bridges were built, all transport across major rivers in the area were by ferryboat.

Choose the best answer:

 This exercise is _____ than the one we did yesterday.

The team leader demanded from his team members a serious attitude towards work, good team spirit, and that they work hard.