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Thismedicine   millionsofpeople'slivessinceitwasputinto...

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問題詳情:

Thismedicine   millionsofpeople'slivessinceitwasputinto...

This medicine    millions of people's lives since it was put into use.

A.is saving   B.will save    C.has saved D.had saved

【回答】

C

知識點:動詞時態

題型:選擇題

標籤:Thismedicine