问题
单项选择题
They will do () they can to overcome () great difficulties there may be.
A．that; whatever
B．what; whatever
C．what; which
D．which; what
答案
参考答案：B
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They will do () they can to overcome () great difficulties there may be.
A．that; whatever
B．what; whatever
C．what; which
D．which; what
参考答案：B