Choose the most appropriate answer to fit the meaning of the blank and complete the sentence. Each question has only one correct answer.

1. It is more efficient to ________ than to ________ by hand.

   1.   ?    replicate…xerox
   2.   ?    copy…xerox
   3.   ?    copy…replicate
   4.   ?    xerox…copy

2. The researchers tried for more than one hundred times but they still fail to ________ the experiment done a month ago.

   1.   ?    copying
   2.   ?    xerox
   3.   ?    replicate
   4.   ?    copy

3. The teacher wrote so fast that the students had a hard time ________ down the notes on the blackboard.

   1.   ?    xeroxing
   2.   ?    copy
   3.   ?    xerox
   4.   ?    replicate

4. A singer may find it difficult to ¬¬¬¬________ a particularly brilliant performance—that is, repeat it exactly in every detail.

   1.   ?    replicate
   2.   ?    copy
   3.   ?    xerox
   4.   ?    duplicate

5. A scientist expects to be able to ______ a soundly designed experiment.

   1.   ?    xerox
   2.   ?    replicate
   3.   ?    duplicate
   4.   ?    copy

6. Sarah made a ______ of the designer dress.

   1.   ?    duplicate
   2.   ?    copy
   3.   ?    replicate
   4.   ?    xerox

7. Nathan works for a construction company and he is selling his old ______ 5328 _______ machine. He told me that it's made by Xerox and is fully functional, perfect for a new business! I am considering buying it from him.

   1.   ?    copy… duplicate
   2.   ?    Xerox … replicate
   3.   ?    Xerox … copy
   4.   ?    Replicate… copy

8. To ________with all our electronic devices these days seems easier than ever: we have many photographic processes for duplicating pictures and print and the like.

   1.   ?    duplicate
   2.   ?    xerox
   3.   ?    copy
   4.   ?    replicate

9. As an assistant, Maria usually helps her supervisor ________ meeting documents.

   1.   ?    replicate
   2.   ?    copy
   3.   ?    duplicate
   4.   ?    xerox

10. Karen _______ her friend’s paper and turned it in as her own assignment. She sensed her professor’s disapproval of her work and was afraid of failing the course.

    1.   ?    replicated
    2.   ?    xeroxing
    3.   ?    copied
    4.   ?    duplicating