Is this sentence grammatically correct? Pewter is about eighty percent tin, which lead or antimony added for stiffness. This sentence is from TOEFL PBT test set. I think it is wrong and should change

shaggy

Is this sentence grammatically correct? Pewter is about eighty percent tin, which lead or antimony added for stiffness. This sentence is from TOEFL PBT test set. I think it is wrong and should change to: ......, to which lead or antimony is added for stiffness. Am I right?

Answers · 4

Yes. It is wrong and your modification is correct.

yes you are correct.

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