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is believed that the better­known companies spend about 70 per cent of the t

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is believed that the better­known companies spend about 70 per cent of the t

_____ is believed that the better­known companies spend about 70 per cent of the total cost of the product itself on packaging!

A.This

B.One

C.That

D.It

试题答案

D

此题考查代词。it 是形式主语,that引导的从句是真正的主语。It is believed that...“人们相信……”。