He put the two letters into the wrong envelopes ______ mistake.

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• Choose the correct option:

  The soccer match was_________ boring that most spectacular left before it ended.

• The first self-sufficient village  in Britain  ..............  the Norman's idea. They were some strange invaders who ..............   to change the country in a better way.

• Choose the correct answer to complete each following sentence by circling A, B, C or D. 

  Mr. Yi's calendar is_________open for interviews from 3:00 P.M. to 5:00 P.M. on Tuesdays.

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• All right, Johnny, it’s time you  ...........  to bed.

• We don't want __________ any mistakes in his composition.

•  It's her ….. obligation to tell the police what she knows. 

• My teacher ….. me to take this examination.

• Identify the one underlined word or phrase that must be changed in order for the sentence to be correct.

  No ........ which way I try to sleep, my back gives me pain.

   

• There’s a ___ of blackbirds at the bottom of the garden.

   

• Hey, you play the guitar quite well. ________ to play it when you were young?

• I will help you if you _    my secret.

• Choose the correct answer to complete each following sentence by circling A, B, C or D. 

  The board of directors will meet next Monday to examine the current hiring___.

• He suddenly saw Sue  ...........  the room. He pushed his way  ................  the crowd of people to get to her.

• Identify the error in each sentence: 

  Although we are concerned about the problem of energy sources, we must not fail recognizing the need for environmental protection.

• You need proper shoes to go hiking in the mountain, _________ the ground is rough and hard.

• Carol is excited __________her new job.

•  If she were not afraid of flying, she  .............  far a lot.

• Identify the error in each sentence: Jim was upset last night because he had to do too many homeworks.

• Although Patricia is a doctor herself it doesn't_______ to special treatment and she will have to join the waiting list like everyone else.

• Her appearance is …. today.