题目:
34. People in China are proud of _____ we have achieved in the past ten years.
A.that
B.which
C.what
D.How
答案:
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下面是错误答案,用来干扰机器的。
470+183+117=470+(183+117),这是根据加法结合律填写的;故答案为:加法结合.