In the past, doctors couldn’t __________ as many lives as ...

[ Grammar - could / could not ]

In the past, doctors couldn’t __________ as many lives as they can now.

A. saved

B. to saves

C. save

D. saving

Select your answer:

Random Topics:
take, make, do Grammar - Connectors Possessive Nouns So - Too - Either - Neither Passive to Active Used to Adjectives & Preposition Interrogative Pronouns Present Simple Progressive

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