Mumps are a very common disease which usually affects young children

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• Choose the best answer:

  I was just about .................. the office when the phone rang.

   

• Science and technology are part of the knowledges of educated people.

• Choose the correct past forms and past participle forms of the following verbs:live - _______ - _______ 

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

• A book may be studied by students as the ________ of a writing and analysis exercise in the form of a book report.

   

• One tenth of _____ thousand is _______ hundred. 

• Identify the error in each sentence: Animals and man use the energy finding in food to operate their body and  muscles

• Mai is very interested___________ reading comics and detective books.

•  _    , she would have been able to pass the exam.

• About 150 years ago, Charles Darwin shocked the world with his the cry that humans were relativity to apes.

• .................. electric eels send a series of blips of electricity into the water around them and they can detect the pattern of electricity of the water changes.

• They_______finished the job. 

• Most pines grow rapidly and form straight, tall trunks that are ideally for lumber.

• Muscles are essentially made up by elastic fibers that lend flexibility to the body.

• I'll tell you all about it... tomorrow night. 

• Choose the best answer:

  He has been out of work .................. a long time.

   

• Most presidential candidates have their names print on the ballot in the New Hampshire secondary election because it is customarily the first one in the nation, and winning it can give a good chance to be nominated by their parties.

• Although the exam was difficult, ______ the students passed it.

• Identify the error in each sentence: 

  Difference conversation efforts have been made in order to saving endangered species.

• It is necessary that the director will sign all the copies, not just the top one.