The world’s population has grown by ______ it was in 1800.
A.more than six times that | B.six times more than that |
C.more than six times what | D.six times as many as |
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The world’s population has grown by ______ it was in 1800.
A.more than six times that | B.six times more than that |
C.more than six times what | D.six times as many as |