Choose the answer which correctly completes the sentence.
The boredom that often results from performing the same task all day is a major problem for some workers on assembly lines, … ?
Isn`t it B) doesn`t it C) aren`t they D) will you
Choose the answer which correctly completes the sentence.
… kind of wood ha its own characteristics which set it apart from … types and determine its suitability for certain uses.
All/several B) Every/either C) Each/other D) None/both
Choose the answer which correctly completes the sentence.
The Lusitania passenger ship was sunk without warning by a German submarine in the Atlantic in 1915, … 1,200 people aboard.
Was killed B) to be killed C) having been killed D) killing
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