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10 Jul 2018, 05:17
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
93% (00:52) correct
7%
(01:06)
wrong
based on 191
sessions
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Not Attempted Yet
Since around 1970, with world population of 3.5 billion, they have doubled it to our current level of over 7 billion in 2012.
A. with world population of 3.5 billion, they have doubled it
B. with a world population of 3.5 billion, doubling it
C. when the world's population was 3.5 billion, doubling it
D. when the world's population was 3.5 billion, it has doubled
E. when the world's population were 3.5 billion, they have doubled it
A. with world population of 3.5 billion, they have doubled it
B. with a world population of 3.5 billion, doubling it
C. when the world's population was 3.5 billion, doubling it
D. when the world's population was 3.5 billion, it has doubled
E. when the world's population were 3.5 billion, they have doubled it
Updated on: 10 Jul 2018, 05:37
Originally posted by AlfredNguyen on 10 Jul 2018, 05:31.
Last edited by AlfredNguyen on 10 Jul 2018, 05:37, edited 2 times in total.
Last edited by AlfredNguyen on 10 Jul 2018, 05:37, edited 2 times in total.
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Any expert here, I can’t get what the word ‘our’ preceded.
10 Jul 2018, 05:31
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Hi Bunuel, please check the underlined part. I guess it should include "it".
