问题
选择题
The argument remains extremely heated ________ it is worthwhile for China to open its door to foreign
cars. [ ]
A．that
B．which
C．if
D．whether
答案
答案：D
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The argument remains extremely heated ________ it is worthwhile for China to open its door to foreign
cars. [ ]
A．that
B．which
C．if
D．whether
答案：D