Choose the best answer to each question. 

There are over 2,000 varieties of snakes, ________are harmless to humans.

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• Choose the best answer to each question. 

   _______ your advice, I was able to avoid lots of trouble on my trip abroad.

•  Those new students hope _______in the school’s sports activities.

• I tried __________ her by phone but the line was busy

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• Choose the best answer

  The report (examine, not) ____________by the committee of experts yet.

• Choose the best answer to each question. 

  She has quite a good _____ of English.

• How can I remember these grammar rules?- Well, try to do all the .............................. exercises in this grammar book.

• Choose the best answer to each question. 

  Telecommuter boosters will often mention _________convenient it is for people wishing to cut down on their work hours.

• Because Hoa lives in a remote area, the internet isn’t __________for her.  (availability)

• Each of the following sentences has an error. Find the errors and correct them.

  All of we students must have an identification card in order to check books out of the library.

• Choose the best answer to each question. 

  A number of students ________ for a rise since last year.

• Choose the best answer:
  John didn’t do his homework, ………………….?

• Choose the best answer to each question. 

  She wondered _________ her father looked like now, after so many years away.

• Why do you decide (choose).................................. this book?

• Identify the word or phrase that must be changed for the sentence to be correct.

  We wish we have a longer vacation but we don’t. 

• Choose the best answer

  The Marconi family __________to the United States thirty years ago.

• He used to ………………..(get up) late last year but now he gets up early.

• Choose A, B, C, or D to complete each sentence.

  John will go to the store before he _______ home.

• He hates (have)................................ lunch at school.

• Choose the best answer to each question. 

  There are still, however, rather a lot of obstacles to ________.

• Each of the following sentences has an error. Find the errors and correct them.

  Caroline refused taking the job given to her because the salary was not good.