问题
选择题
.
The fresh water in Canada has one-third of the world’s total, much of ____ is in the Great Lakes.
A．it
B．which
C．that
D．what
答案
答案：B
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.
The fresh water in Canada has one-third of the world’s total, much of ____ is in the Great Lakes.
A．it
B．which
C．that
D．what
答案：B