题目内容
The world's population has grown ________ it was in 1800.
[ ]
A.six times more than what
B.more than six times what
C.six times more than which
D.more than six times that
答案:B
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题目内容
The world's population has grown ________ it was in 1800.
A.six times more than what
B.more than six times what
C.six times more than which
D.more than six times that