问题

The argument remains extremely heated ________ it is worthwhile for China to open itsdoor to foreign cars. [ ]

A:that
B:which
C:if
D:whether

正确答案是：

同类题型

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Hi, Michelle, I can’t findmy e-dictionary.— Sorry, I it.I guess I put it on the top shelf with my things.

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My father goes for a walk daily.