问题
选择题
The earth became so violent ____it was not clear ____
the shape would last or not
.
A．which; whether
B．that; what
C．what; if
D．that; whether
答案
答案：D
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The earth became so violent ____it was not clear ____ the shape would last or not.
A．which; whether
B．that; what
C．what; if
D．that; whether
答案：D
