问题
选择题
The only thing __________ we should do now is try our best to prepare for the Academic proficiency test.
A．what
B．that
C．all
D．which
答案
答案：B
考查定语从句关系词的选择。 定语从句修饰的先行词thing前面有the only修饰，后面的关系词只能选择that.
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