There are approximately 100 billion galaxies in the universe.

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• Lewis and Clark had been gone for such long on their expedition that many thought they were dead.

• Most boys like playing basket ball, baseball or ______ football. 

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

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• One decibel, which is a unit of relative loud, is the smallest amount of change detected by the human ear.

• Choose the best answer:

  How are you? I haven’t seen you ............... ages.

   

• When I arrived at the party, Jane _______already gone home.

• Identify the error in each sentence: There are a number of (A) reason why population (B) is concentrated in temperate regions, but the wide variety and (C) availability of animal and vegetable life may be (D) the most important.

• In the sixteenth century, Francois Vieta, a American mathematician, used the vowels “a”, “e”, “i”, “o”, “u” to represent a unknown number.

• When actively hunting, a dolphin sends out transmitting about five signals every second.

• Choose the best answer:

  He wants her ..................... her homework as soon as possible.

• Choose the best answer:

  He soon got ......... most of them and even managed .......... the greetings.

• The prices of homes are as high in urban areas that most young people cannot afford to buy them.

• Identify the one underlined word A, B, C or D that must be changed for the sentence to be correct: 

  A prolific writer, even when he was teaching a number of classes, Harry Crews never achieving popularity among the masses.

• You can use non-verbal forms of communication, such as gestures or body languages to get the waiter's    When you are in a restaurant.

• The Wright brothers, owner of a bicycle shop, used the number of bicycle parts to make the original motorized plane.

• Books in the home are a wonderful source of knowledge and _____ .

   

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

• She reached the lifeboat. She was exhausted and she ___ to its side, waiting for someone to pull her in.

   

• Water, ice, and snow play a role in affecting an Earth’s rotation.

• Someone who has ever tried to pick up spilled Mercury will disagree that this element is easy to handle.